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Leonard McCoy
- This page details Leonard McCoy in theprimary universe; for the Leonard McCoy in themirror universe seeLeonard McCoy (mirror); for the Leonard McCoy in theKelvin timeline created by Nero's temporal incursion, seeLeonard McCoy (Kelvin timeline); for the Leonard McCoy in themirror universe created by Nero's temporal incursion seeLeonard McCoy (mirror) (Kelvin timeline); for the Leonard McCoy in all other alternate universes seeLeonard McCoy (alternates).
- For other uses, seeLeonard.
- SeeMcCoy for other articles with titles that contain, either by relationship or by coincidence, this character'ssurname.
- This character is a member of theMcCoy family.
Leonard McCoy

Leonard McCoy in2369. Full name:
Leonard Horatio McCoyKnown aliases:
Leonard Edward McCoySpecies:
Gender:
maleHeight:
6'[1]Eye color:
blueHair color:
brown (grayed)Homeworld:
Born:
Affiliation:
Family
Mother:
Eleanora McCoy aka Louise McCoy aka Maureen AbneyFather:
David Andrew McCoy aka Robert Edward Lee McCoySibling(s):
Donna Withers, Henry Clay McCoy, Landor Abney McCoy, Melissa Jane McCoy, Elizabeth Ashley McCoyMarital Status:
divorced (twice)Spouse(s):
Children:
Other relatives:
grandchildren and great-grandchildren;T.J. McCoy (paternal grandfather)Career
Previous Assignment:
Final Assignment:
Rank:
admiral (retired)
Cadet McCoy in2251.
Leonard Horatio McCoy (also known asLeonard Edward McCoy) was ahumanStarfleetofficer, best known for serving aboard theUSSEnterprise (NCC-1701) andUSSEnterprise-A aschief medical officer. He was given the nicknameSawbones McCoy, later shortend toBones byJames T. Kirk during their service together. (TOSnovel:The Captain's Oath)
- TheCrucible novelProvenance of Shadows established his middle name "Horatio."The Romulan Way andSpock's World referred to McCoy as "Leonard Edward McCoy", even afterThe Search for Spock established McCoy's middle initial as "H", while the novelCrossover erroneously names him "Leonard James McCoy".
Biography[]
Family[]
Leonard H. McCoy, the son ofDavid Andrew McCoy andEleanora McCoy, was born inAtlanta,Georgia,United States of America,Earth in2227. His grandfather,Thomas Jackson "T.J." McCoy, M.D., was the Chief of Medicine at Emory University Medical Center in Atlanta in the2220s. (TOSnovelization:The Final Frontier;TOS -Strange New Worlds VIshort story: "Bum Radish: Five Spins on a Turquoise Reindeer";TOScomic: "Who's Who in Star Trek, Issue 1")
One of his great-uncles was a proprietor to one of the top productive plantations in the South during the 19th century. His ancestor's advantage was a self-mixed form of herbicide. McCoy still had the recipe onEnterprise, and synthesized the concoction in his lab. He later used the "weed spray" to immobilize theswoopers ofPhylos. (TOSnovel:The Final Reflection;TASepisode: "The Infinite Vulcan")
One of McCoy's grandmothers lived inTennessee, where she taughtSunday school. (TOSnovel:Vulcan's Forge)
Early years[]
In2231, at the age of four, Leonard accompanied his father on a trip toAberdeen, where he briefly met youngMontgomery Scott, thus giving birth to not only their shared tastes (such as alcohol), but their smooth delivery in performing as scientist and assistant on 20th centuryEarth. The two also had done a convincing act while on the android world ofMudd, and when on jury duty during theKirk/Lester trial. (TOS -Strange New Worlds VIshort story: "Bum Radish: Five Spins on a Turquoise Reindeer",TOSnovelization:The Voyage Home,TOSepisode: "I, Mudd",TOSepisode: "Turnabout Intruder")
Disaster struck McCoy at the age of seven on August 17,2234, when Leonard and his cousins built a raft and sailed down theChattahoochee River. Leonard's cousin,David McCoy drowned when the raft broke apart. (TOSnovel:Ice Trap)
In September2236, Leonard, aged nine, and his family moved into another southern town on Earth. Leonard metMark Rousseau at school, and the two became best friends. The two parted in2243 when Rousseau enteredStarfleet Academy. At the time McCoy was determined to enter medical school. (TOSnovel:The Better Man)
In2238, at age eleven, Leonard ate something that was still alive on a dare. (TOSnovel:In the Name of Honor)
While inTexas in 2243, McCoy was thrown from thehorse that he had been riding. McCoy suffered a concussion and bruised ribs, and was treated at a hospital inWaco, Texas. After suffering another head injury in2268, McCoy briefly forgot everything that had occurred from the time of the first accident until the time of the second accident. (TOSnovel:Dreams of the Raven)
At sometime during his childhood, McCoy attended a religious "revival" meeting held on Earth, led by a preacher who railed against non-human races. This man later made an attempt on the life of theAndorianambassador. (TOSnovel:Vulcan's Forge)
McCoy first became attracted to his future wife,Jocelyn Darnell, at a high school social in early2244, when Jocelyn forced McCoy to dance with her to counter the jealousy of her over-possessive boyfriend,Clay Treadway. Treadway brawled with McCoy there on the dance floor, but McCoy knocked him down and left with Darnell. This began their relationship. (TOSnovel:Shadows on the Sun)
In late 2244/early2245, McCoy, aged 17, entered college at theUniversity of Mississippi ("Ole Miss"). During his time there, his roommate was aTessma,Sinnit Arvid. In2245, McCoy met theTrill,Emony Dax at a gymnastic tournament in theMenlo T. Hodgkiss Memorial Gymnasium, and the two had a brief relationship. Undecided at the time on his choice of career, Dax suggested he should be a doctor, because he had "the hands of a surgeon." (DS9 -The Lives of Daxshort story: "Old Souls";DS9episode &novelization:Trials and Tribble-ations)
- Startrek.com places the year as 2245 for McCoy starting at the University of Mississippi.
Later that year, McCoy served as an observer aboard theUSSHood (TOSnovel:Crisis on Centaurus) before officially enrolling in medical school, though he studied at his home in Georgia. (TOSnovel:Shadows on the Sun)
While he was a medical student, McCoy often tookskiing trips to theAlps inEurope. (TOScomic: "No Time Like the Past")
Shortly after receiving his doctorate, McCoy married Jocelyn, and around2249, their daughter,Joanna McCoy was born. (TOSnovel:Shadows on the Sun;TASepisode: "The Survivor")
In 2249, McCoy commanded an inoculation program to combat a virus on planetDramia II. However, when the team left, a plague broke out, wiping out half the population. (TASepisode: "Albatross") It was his second extrasolar assignment and his first medical command. (TOS -Log Sixnovelization:Albatross)
Later in the2250s McCoy met LieutenantClark Terrell. The two were friends until the latter's death in 2285. (TOSnovelization:The Wrath of Khan)
Early Starfleet Career[]
Aboard theRepublic[]
In 2253, after Jocelyn left with Joanna (presumably before becoming involved with Clay Treadway once more), McCoy grew extremely depressed, and by chance saw an advert forMedicine on the cutting edge - Practicing in space. He immediately signed up at theJackson Mall, enteredStarfleet and underwent the course, which was taught byAngelina Mola, before he was assigned as a junior medical officer aboard theUSSRepublic under the command ofCaptainHillios. McCoy worked in sickbay underchief medical officer,Vincent Bando. While aboard theRepublic, McCoy saved the life of a ruthless assassin on theplanetSsan. (TOSnovels:Planet of Judgment,Shadows on the Sun,Recovery,The Better Man)
Aboard theRichard Feynman[]
In2254, thanks to McCoy's excellent work on theRepublic, he was made chief medical officer aboard theUSSRichard Feynman, under the command of his old friend, Mark Rousseau. However, following a fall-out with Rousseau, McCoy accepted a demotion as a juniormedical officer aboard theUSSKoop. (TOSnovel:The Better Man)
AboardStarbase 7[]
By2255, McCoy transferred toStarbase 7 as chief medical officer. A few months later,Lieutenant James T. Kirk, of theUSSFarragut, was sent to the base for rehabilitation after Kirk was badly injured battlingpirates fromEpsilon Canaris III. In Kirk's many months at the base, McCoy and he became good friends, and Kirk visited McCoy's home onCentaurus many times. (TOSnovel:Crisis on Centaurus)
While on Starbase 7, McCoy also had a brief relationship with a woman namedNancy Pagano, who later marriedProfessorRobert Crater. (TOSepisode &novelization:The Man Trap)
Aboard theConstitution[]
In2257, McCoy transferred aboard theUSSConstitution (NCC-1700) to work under chief medical officerChristina Velasquez. Also serving aboard theConstitution at that time was McCoy's old friend,Lieutenant Commander Kirk. (TOS -My Brother's Keepernovel:Enterprise)
Starfleet Teaching Hospital[]
McCoy returned to Earth in2262, and took up a position atStarfleet Teaching Hospital working with Dr.Carol Marcus andChristine Chapel. In late2263, Captain Kirk and Lieutenant CommanderGary Mitchell were placed under McCoy's care after the destruction of theUSSLydia Sutherland at the Battle ofGhioghe. (TOSnovel:Enterprise: The First Adventure)
TheEnterprise (NCC-1701) Years[]
The Three-Month Voyage[]
In2264, McCoy accepted Captain Kirk's offer to become Chief Medical Officer aboard theUSSEnterprise (NCC-1701). (TOSnovel:Enterprise: The First Adventure)
According to the elderSpock inTOSnovelization:Star Trek, "In both our histories the same crew found its way onto the same ship in a time of ultimate crisis." This may imply that there is an untold story set in the prime timeline in which Kirk's crew faced an extremely serious challenge while still a new and untested unit.
McCoy's first stint aboard theEnterprise was cut short when he learned that his father was dying ofpyrrhoneuritis. McCoy took an extended leave of absence to look after his father, and was replaced by Dr.Mark Piper. (TOSnovel:Strangers from the Sky;TOSepisode: "Where No Man Has Gone Before")
A memory that would haunt McCoy for years was when, at the request of his father, he turned off all his life support, allowing his father to die with dignity. However, a few weeks later, a cure for pyrrhoneuritis was developed. (TOSmovie,novelization &comic adaptation:The Final Frontier)
Mission toCapella IV[]
Following the death of his father, McCoy was asked byStarfleet Medical to take part in a medical relief mission toCapella IV. He gratefully accepted, to get as far away from Earth as possible and to help others. However, by2265, he was tired of locking horns with theCapellans, who refused any modern medical technology. (TOSepisode: "Friday's Child")
Return to theEnterprise[]

McCoy in 2267.
Luckily for McCoy, theEnterprise had returned to Earth for the funeral of Gary Mitchell, so when Kirk offered McCoy his old position as CMO back, McCoy jumped at the chance. (TOS -My Brother's Keepernovel:Enterprise)
Jocelyn Darnell sent McCoy their divorce papers in2266, and McCoy signed them without a fight. Although he would go on to refer to Darnell as "whatsername" and worse, he wore his wedding ring for the rest of his life. (TOSnovel:Shadows on the Sun)
While in aCordrazine-induced frenzy in2267, McCoy jumped through theGuardian of Forever and was transported toEarth in the year1930. While there, the shape of time itself hinged on his actions, resulting in a drastically altered timeline when he savedEdith Keeler from a fatal traffic accident. Although time later resumed its normal course, thephaser McCoy had brought with him was stolen by "Rodent," aTwenty-First Street Mission resident, who was vaporized along with the weapon when he inadvertently triggered it. (TOSepisode: "The City on the Edge of Forever") Later the same year, while serving aboard theEnterprise, McCoy was accidentally transported into themirror universe. McCoy risked being left behind in the parallel reality to save the mirror version ofSpock from a fatalsubcranial hemorrhage. Spock then mind-melded with McCoy, and learned about theFederation of the regular universe. McCoy returned successfully to his own universe, but Spock's visions of a better reality would be passed on to multipleVulcans in the mirror universe, and lead to a secretive resistance group against theKlingon-Cardassian Alliance. (TOS -Mirror Universenovel:The Sorrows of Empire)
The following year Doctor McCoy suffered a severe head injury after a gravity adjustment on theEnterprise caused him to fall and hit his head on a bulkhead. Even though Dr.Eduardo Cortejo Alvarez was able to operate almost immediately, McCoy was still left with severe amnesia for a period of about two weeks. During this time he had lost all memory of the past twenty five years, including his prior service on theEnterprise and his relationships with colleagues such as Captain Kirk and Mr. Spock. After Spock was seriously injured and required surgery, the impact of watching Spock dying on an operating table was enough to bring Dr. McCoy out of his amnesiac state, and McCoy was able to save Spock's life. (TOSnovel:Dreams of the Raven)
In 2269, McCoy accompanied Captain Kirk, Spock, andCrewmanAlonzo to one of the planets inThe Strand where they met Dr.Othello Beck. A few minutes after he arrived, McCoy examined Alonzo's corpse after he was killed by aB'Nai. McCoy then examined Beck's discovery. Unfortunately, he and Kirk were captured and put into cell when they found out about Beck's wife'sLogan's disease. They were however able to escape and return to theEnterprise. (TOScomic: "Year Four, Issue 1") McCoy then went to a reception onAarak III after trading technology for miningdilithium. McCoy was able to throw a bomb away from them and KingMarat. McCoy then agreed that they could interfere with Aarak's situation between Marat's government and the traditionalists, despite the chance of losing of the dilithium. McCoy then accompanied Spock in his search for Kirk on Aarak III, to which they were successful. (TOScomic: "Year Four, Issue 2")
McCoy and theEnterprise were then sent to investigatePhi-11. There he found all the colonists were dead. McCoy and the rest of the ship was affected by a viral lifeform. McCoy, Spock and most of the crew mutinied against Kirk. They were then able to take theEnterprise and return the life form home. (TOScomic: "Year Four, Issue 3") McCoy then went with the away team to the surface ofGobi III to find survivors of theUSSPasteur. He and the away team were then captured byAvatar and place in holding cells. McCoy then examinedMallard and saw that avatar had strip-mined his DNA. McCoy was shocked that Avatar was treating babies as "merchandise" and that there was Human DNA. McCoy helped then Kirk hold off Avatar while Lt.O'Hara escaped with one of the babies. McCoy and the others were then able to return to theEnterprise. (TOScomic: "Year Four, Issue 6")
After McCoy and Scotty attended abiotechnology conference onStarbase 10, theUSSLexington dropped them off onDenebia for theEnterprise to pick up. They got drunk onDenebian slime devils and engaged in a barroom brawl with some locals and aKlingon namedKrong, but afterwards convinced Kirk to ferry Krong to another neutral planet aboard theEnterprise. On this occasion McCoy considered the possibility of leaving theEnterprise at the end of its five-year mission. He had learned theVulcan nerve pinch, but kept this a secret from Spock. (TOSshort story: "Where Everybody Knows Your Name")
In2270, McCoy went with Kirk and AmbassadorCassady to oversee the ceremony acceptingArchenar IV into the Federation. McCoy then went to the surface to look for a leaf that could cureBlake's disease. McCoy andPavel Chekov were captured byCrawlers. McCoy was then forced to treat the wounded crawlers. Afterward, McCoy resigned and retired from Starfleet. (TOScomic: "Mission's End")
McCoy then joined the Federation'sFrontier Medic Program using anantiquated starship that he named after his daughter,Joanna. Alongside fellow doctor,Jon Duncan, andTheela went to worlds such asOmicron Testus IV,Ophiucus III, andGamma Tarses VII where met up with Chief EngineerMontgomery Scott. McCoy, Duncan, and Theela, after theJoanna was destroyed, met up withGary Seven andRoberta Lincoln at a planet inhabited by clones from theUS Army in the1960s. There they stoppedKlingon commanderKloor from exploiting the human clones for war games. He was then rescued by theUSSYorktown under CaptainPike's formerfirst officer who was now anAdmiral and itsCMO,Christine Chapel. (TOS -Leonard McCoy, Frontier Doctorcomics: "Weeds", "Error", "Medics", "Hosts") At least two and a half years later, he was "drafted" (as McCoy himself once put it) back into service for theV'Ger mission. (Last Unicorn RPGmodule:All Our Yesterdays: The Time Travel Sourcebook;TOSmovie,novelization &comic adaptation:The Motion Picture)
In2273, after theEnterprise's shakedown cruise, McCoy helped escort ambassadorR'Kgg and then recapture prisonerRaytag M'Gora. McCoy then went to Captain Kirk and Spock to investigate a "Haunted house adrift in space. After beaming in, they then heard a woman. McCoy then sawFrankenstein's monster strangling her. McCoy and the others tried to stun it to no avail. At first McCoy wanted to study it, but was forced to kill it. After the creature was pushed out a window. McCoy then saw the girl run towards them. It then dissipated and Klingons came and captured them. (TOScomic: "The Haunting of Thallus!") Kirk, McCoy, the girl and the rest team were able to escape despite Spock being captured by the Klingons. After the Klingons left, McCoy questioned the girl with little success. Back onboard theEnterprise, his analyzed his tricorder readings and realized that she was not Human. He informed Kirk of this. (TOScomic: "The Haunting of the Enterprise!")
In2276, McCoy was placed in temporary command of theEnterprise by Captain Kirk after complaining too much about how the ship should be run. Captain Kirk beamed down to a planet known asFlyspeck to engage in a routine diplomatic mission. Intending to leave McCoy in command only for one afternoon, Kirk did not realize that he had been transported ahead in time one week. Unable to locate Captain Kirk, McCoy was forced to remain in command of theEnterprise for the week. Complicating the search for Kirk was the arrival of Klingons who had their own designs on Flyspeck, plus having to deal with an Admiral who had a reputation for being difficult. When Kirk realized that he had been transported ahead in time, he asked to be returned to theEnterprise so that McCoy could return command to him. (TOSnovel:Doctor's Orders)
2285[]

Spock'sFal-tor-pan in 2285.
In2285,Khan Noonien Singh escaped from the surface ofCeti Alpha V on board theUSSReliant. Khan went to findJames T. Kirk and take revenge against him for leaving him on Ceti Alpha V and not bothering to check on Khan's progress. Khan managed to seriously damage theEnterprise. Khan then took theGenesis Device from the underground laboratory on Regula. In a deadly game of cat and mouse, Kirk finally defeated Khan in the Mutara Nebula, however in a last ditch effort to destroy Kirk, Khan set theGenesis Device to explode. TheEnterprise was only able to escape when Captain Spock sacrificed himself to bring the warp drive back on line just before the Genesis Device exploded. (TOSmovie,novelization &comic adaptation:The Wrath of Khan)
Just before Spock had entered the radiation-soaked dilithium chamber, he entered into amind meld with Dr. McCoy, and transferred hiskatra into McCoy's mind. Spock's body died shortly after theEnterprise escaped the detonation of the Genesis device, however Spock's consciousness was still alive in the mind of Leonard McCoy.
McCoy stayed on theEnterprise as itsChief medical officer despite the loss of Spock. McCoy then treated the wounded after the Klingons' attacked near theNeutral Zone. He also gave the current science officer, LieutenantSaavik, some advice on how to meet Kirk's needs. He then told Kirk not to push Saavik too hard. (TOScomic: "The Wormhole Connection") When Kirk, Saavik and the away team returned with Klingon defectorKonom, McCoy, despite never operating on one, did so none the less. (TOScomic: "... The Only Good Klingon...") McCoy was surprised to hear that theFederation and theKlingon Empire had entered into a state ofwar against each other. (TOScomic: "Errand of War")
In the weeks after Spock's apparent death, McCoy began behaving strangely. As theEnterprise docked inspacedock, McCoy broke into Spock's quarters. This tripped a security alarm on the bridge, and Admiral Kirk went to confront the intruder. Kirk was shocked to find McCoy in the quarters, who asked Kirk why he had been left behind on Genesis, and requested that Kirk climb the steps ofMount Seleya onVulcan. A horrified Kirk called for medics to be brought to Spock's quarters when McCoy collapsed in his arms. McCoy was examined and it was believed that he was suffering from exhaustion. McCoy promised Kirk that he would stay at his home onEarth for the time.
Sarek soon arrived on Earth and revealed the possibility that Spock's katra might have survived. Sarek did not find the katra in Kirk's mind. The two searched through engine room recordings, and discovered that McCoy was carrying Spock's katra. Sarek asked Kirk to retrieve Spock's body and bring the body and Dr. McCoy toMount Seleya, claiming that it was the only way both could find peace. Learning that he was suffering from the effects of a Vulcan mind meld, McCoy stated that it was the "green blooded son of a bitch" getting revenge for all the arguments he had lost over the years.
WhenStarfleet Command refused to allow McCoy, Kirk, and the remaining senior staff of theEnterprise to return to theGenesis Planet, Kirk and his senior officers stole theEnterprise. En route to Genesis, McCoy took the science station, and using Spock's skills was able to use the scanners to determine that there were no vessels pursuing theEnterprise. After arriving at Genesis, they learned that Spock's body had been regenerated by Genesis. Kirk and his crew managed to defeat CommanderKruge. However, they lost theEnterprise in the process. Spock's body had reached the same age as it was just prior to his entering the dilithium chamber of theEnterprise at this point.
After being beamed on board Kruge'sBird-of-Prey, the crew of the lateEnterprise proceeded at best speed toVulcan. Arriving at Vulcan, the crew climbed the steps of Mount Seleya, where Sarek requested that theFal-tor-pan be performed on Spock. Agreeing to this request, the High PriestessT'Lar performed the Fal-tor-pan, removing the katra of Spock from McCoy's mind and refusing it into Spock's body. (TOSmovie,novelization &comic adaptation:The Search for Spock)
2286[]
Over the next three months,CaptainSpock recovered his memories. Spock and McCoy underwent a number of mind melds to ensure that any remaining vestiges of Spock were transferred from McCoy back to Spock. Despite losing memories of his past life, Spock remembered Kirk's first name as "Jim", to his own fascination. Which McCoy warmly smiled, pointing to his head, for hisVulcan friend.
McCoy named the captured Klingon bird-of-preyHMS Bounty in reference to the mutiny on board the British naval vessel nearly 500 years earlier. McCoy and the senior staff of theEnterprise all voted to return to Earth to face the consequences of traveling to the Genesis Planet to rescue Spock. Spock joined them, even though McCoy was concerned that Spock's recent experiences meant that he was not yet ready to resume his post. McCoy asked Spock what being dead had felt like, saying that Spock really had gone where no one had gone before. Spock for his part said it would be impossible to discuss what he had experienced without a common frame of reference.
On their way back to Earth, theCetacean Probe arrived, searching for thehumpback whales that it had lost contact with. The probe began reconditioning Earth, which endangered the population of Earth. To get the probe to stop damaging Earth, McCoy and the crew of theBounty traveled back to1986. While in the past, McCoy worked withMontgomery Scott andHikaru Sulu went to find materials to enclose a tank on board theBounty to hold humpback whales. TheBounty took the whalesGeorge andGracie in to the23rd century, where they managed to convince the probe to stop its assault on Earth.
After arriving back in the 23rd century, McCoy was concerned that he and Spock were not fully separated from each other, and that depending on his punishment he might not be able to participate in further mind melds with Spock. Spock reassured McCoy that the two men had been completely separated from each other. Though now thedoctor had a better perspective in Spock's field of expertise. Understanding his problems with raw data inherent withtime travel computation, he told him to make an educated guess. And that even though it wasn't in his nature to do so; no one is perfect. In a session of theFederation Council, McCoy learned that any charges against him had been dropped. The only punishment was directed at Kirk, who was reduced in rank from Admiral to Captain.
Following the council session McCoy joined his friends on the newUSSEnterprise as chief medical officer, and stood next to his friends Kirk and Spock on the bridge as Captain Kirk said, "Let's see what she's got." (TOSmovie,novelization &comic adaptation:The Voyage Home)
2287[]
After launch theEnterprise returned toEarth Spacedock, whereupon most of the crew went on shore leave and Scott set about fixing the large number of technical problems the ship was experiencing. During this time a new bridge module was installed on the ship. Meanwhile McCoy went on a camping trip toYosemite National Park inCalifornia with Kirk and Spock. The trip was nerve wracking for McCoy as Kirk had insisted on climbingEl Capitan without any sort of protective equipment. His worst fears were nearly realized when Kirk slipped and fell off the mountain, only to be rescued by Spock at the last possible moment.
- "What did you do? You really piss me off, Jim. Human life's far too precious to waste on stupid stunts. Maybe it didn't cross that macho mind of yours, but you should've been killed when you fell off that mountain!"
- —McCoy, chastising Kirk for his recklessness
At dinner that night McCoy informed Kirk that he and Spock could drive a man to drink, angrily chastising Kirk for his recklessness. After trying to singRow, Row, Row Your Boat with Spock and Kirk the three called it a night, only to be woken up a few minutes later by Uhura, informing them that they were being recalled to duty by Starfleet.
McCoy once again told Spock no one is perfect after missing their target deck, in the escape fromEnterprise'sbrig. He came to Spock's defense, reminding theircaptain that Spock could no more kill his brotherSybok than Spock could kill him, and that Spock is both Vulcan andhuman. McCoy stated that Spock never ceases to amaze him. Spock replied the same for himself. (TOSmovie,novelization &comic adaptation:The Final Frontier)
Later years[]
In2293, theEnterprise-A was sent to escort a Klingon diplomatic party, led byChancellorGorkon, to Earth. During the encounter, it appeared theEnterprise firedphoton torpedos at Gorkon's ship, damaging it. McCoy and Kirk then beamed over to the ship to see if the crew needed assistance. They discovered that Gorkon was dying and McCoy attempted to save the Chancellor, but was unsuccessful due to his lack of knowledge about Klingon physiology. McCoy and Kirk were then arrested and sentenced to serve a life term onRura Penthe. With Spock's help, the two were able to escape the prison planet. Afterwards, McCoy helped Spock modify a photon torpedo to destroyGeneralChang's cloaked starship. (TOSmovie,novelization &comic adaptation:The Undiscovered Country)
In2294, McCoy became seriously ill, necessitating the replacement of several organs by ones that had beencloned earlier and held in storage for such an eventuality. (TOSnovel:The Captain's Daughter)
Likewise in 2294, McCoy served aboard theUSSEnterprise-B in a temporary capacity as chief Starfleet medical advisor under the command ofCaptainJohn Harriman, during a crisis involving the release ofTerrellian plague by renegade Klingon forces in theAntares star system. (Captain's Logcomic: "Captain's Log: Harriman",TNGepisode &novelization:Encounter at Farpoint)
Also during this same year, McCoy tracked down his former crewmate, Montgomery Scott, and gave him a stern lecture about his solitary drinking, after Scott slipped into a depressed state following the loss of Captain Kirk. (Star Treknovel:Engines of Destiny)
McCoy successfully recovered, and in2296, was serving underCaptainSpock on board the starshipUSSIntrepid II. (TOSnovel:Vulcan's Forge)
Around the turn of the24th century, McCoy joined the teaching staff atStarfleet Medical Academy. One of his students wasJo Stern, with who he would form a lasting friendship. Stern would call him "Mac," the only person he allowed to do so. (ST -The Lost Eranovel:Well of Souls)
At some point during theUSSEnterprise-B's time in service, McCoy served as herchief medical officer. (TNGepisode &novelization:Encounter at Farpoint)
In2327, McCoy attended Sarek andPerrin's wedding on Vulcan. (TOScomic: "Enter the Wolves")
By2336, he was working atStarfleet Medical. (ST -The Lost Eranovel:Well of Souls)
In2344, McCoy escortedSpock andSaavik to their wedding ceremony. (TOSnovel:Vulcan's Heart)
In the2350s, he accompanied Spock to theRomulan Empire, where he metEric John Stiles. (TNG -Double Helixnovel:Red Sector)
McCoy retired from Starfleet in2353.
In2363, McCoy suffered an injury after tripping over one of his great-great-grandchildrens' toys which necessitated a stay atBethesda Starfleet Hospital, preventing him from attending the launch of theUSSEnterprise-D. In "revenge", McCoy connived theUSSHood to take him toFarpoint Station, where they would be transferring crew to the newEnterprise. McCoy inspected the ship's medical facilities, and was escorted back to theHood, via shuttlecraft, byLieutenant CommanderData. McCoy told the young android the ship was new but had the right name, and that if she was treated well she'd always bring the crew home. (TNGepisode &novelization:Encounter at Farpoint)
- The novelProvenance of Shadows has McCoy's death shortly after this tour, despite the contradiction of other stories.
By2364, McCoy was 137 years old while his daughter Joanna was 115. (TNGepisode &novelization:Encounter at Farpoint)
McCoy revisited theEnterprise-D in2367, and again in2371. (TNGcomic: "In Memory Yet Green...")
During this second visit, when assigned to assist theEnterprise in rescuing Spock from Romulus after a meeting of the Unification movement was captured with Spock among them, McCoy attempted to take command when he felt that Picard was taking too long to negotiate for Spock's release, approaching the governor of the colony that had captured Spock directly rather than negotiating through the Romulan High Council. However, his actions actually made matters worse as the governor realized McCoy's identity and thus guessed that he had Spock prisoner rather than just another group of Unificationists, leaving McCoy feeling ashamed at the revelation that he had acted like the kind of arrogant admiral he had always hated in his own time on the ship, assuming that they knew better than the captain while ending up making matters worse. However, a conversation withGuinan helped him move past this mistake, and he was later able to use his own knowledge to convince the Romulans to stand down after the unexpected intervention of the returned Scotty, drawing the Romulans' attention to the imminent reunion of another species on the border of the Neutral Zone whose presence would force the Romulants to face a threat on multiple fronts if they pressed the Federation into a fight. (TNGnovel:Crossover)
Spanning these four years, his lifelong friend and colleagueSpock asked him a personal question. Comparing thecaptains ofEnterprise (1701,1701-A and 1701-D), which would McCoy summon in a time of need. He answered, in honesty, Spock himself. (TNGcomic: "In Memory Yet Green...")
This, in fact, came true aboard thebridge of aDefiant-classstarship. (TOSnovel:The Return)
Spock swore to secrecy his choice of command; not even to share withSaavik, lest McCoy totally deny it. (TNGcomic: "In Memory Yet Green...")
During this period, McCoy was also an occasional guest lecturer atStarfleet Medical Academy. (SCEeBook:Wounds, Book 2)
By the late24th century, McCoy was forced to have to wear an exoskeleton, including leg braces, although he later was given implants which allowed him to discard the exoskeleton. (TOS -Strange New Worlds IIshort story: "Doctors Three";TOSnovel:The Return,TOSnovel:Spectre) At the age of 144, he assistedJulian Bashir during his operation to remove Borg implants from Kirk's body following his resurrection. The procedure was a success, and McCoy spent some time with Kirk, informing him on what his former crewmates had done with their lives. (TOSnovel:The Return)
In2375, he assisted Kirk, Spock andMontgomery Scott in fighting the denizens of themirror Universe before attending the wedding of Kirk andTeilani and setting out to find a cure when Teilani was poisoned byeugenic child 7. (TOSnovel:Spectre,TOSnovel:Dark Victory,TOSnovel:Preserver)
In2376, McCoy joined in the celebrations surroundingStarbase 11. (ST -New Worlds, New Civilizationsshort story: "225 Years of Service")
In2378, he and Spock, both wearing the currentStarfleet uniform, retrieved an unconsciousJames T. Kirk from his battle with theBajoran calledCorrin Tal. (TOSnovel:Captain's Peril)
While theUSSEnterprise-E underwent repairs inEarth'sorbit in late2379, CaptainJean-Luc Picard visited the retired admiral. Picard consulted McCoy about thefal-tor-pan ritual, to determine whether to stay hopeful about a return of his recently deceased fellow officer and friend, Lieutenant CommanderData. (TNG -Strange New Worlds 8short story: "Final Flight")
In2381, McCoy assisted in theMédecins Sans Frontières relief operation onP'Jem following theBorg invasion. As of 2381, Admiral McCoy was 154 years old. (STnovel:A Singular Destiny).
Legacy[]
WhenNero andAmbassadorSpock were sent back to the23rd century, causing what was called theKelvin timeline after Nero's assault of theUSSKelvin, a photo of McCoy andSpock's crewmates aboard theUSSEnterprise-A was among the personal effects bequeathed to the alternateSpock after Ambassador Spock passed away in theyear2263. (TOSmovie:Beyond)
Starfleet service record[]
| location | assignment | dates | rank or rate | assignment insignia | rank insignia |
|---|---|---|---|---|---|
| Starfleet Academy | studentofficer | 2250s | cadet | ![]() | ![]() |
| USSRepublic | medical intern | 2250s | officer | ![]() | ![]() |
| Starbase 7 | medical officer | late2250s | Assignment insignia. | ||
| Capella IV | medical observer | early2260s | ![]() | ||
| USSEnterprise (NCC-1701) | chief medical officer | 2265-2270 | lieutenant commander | ![]() | |
![]() | |||||
| commander | ![]() | ||||
| 2273-2285 | ![]() | ![]() ![]() | |||
![]() | |||||
| USSExcelsior | 2285 | ![]() ![]() | |||
| USSEnterprise (NCC-1701-A) | 2286-2293 | ||||
| medical officer | 2293-early24th century | ||||
| Starfleet Command | retired/reserve activation | late 24th century | admiral | ![]() | ![]() |
![]() | |||||
![]() | |||||
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Appendices[]
Connections[]
| Chief medical officers of thestarshipsEnterprise | ||
|---|---|---|
| Enterprise (NX-01) | Phlox | ![]() |
| USSEnterprise (NCC-1701) | Poole-April •Boyce •M'Benga •Piper •McCoy •Chapel | ![]() |
| USSEnterprise (NCC-1701) (Kelvin timeline) | Puri •McCoy | ![]() |
| USSEnterprise (NCC-1701) (other alternate realities) | McCoy •Boyce •Carlotti •M'Benga | |
| USSEnterprise (NCC-1701-A) | McCoy | ![]() |
| USSEnterprise (NCC-1701-A) (alternate realities) | Carlotti | |
| USSEnterprise (NCC-1701-B) | Metcalfe •Michaels •McCoy •Morell | |
| USSEnterprise (NCC-1701-C) | Casado •Stern •Aristide | |
| USSEnterprise (NCC-1701-D) | Crusher •Pulaski | ![]() |
| USSEnterprise (NCC-1701-D) (alternate realities) | Ogawa | |
| USSEnterprise (NCC-1701-E) | Crusher •Stevenson | ![]() |
| ISS Enterprise (NX-01) | Phlox | ![]() |
| ISS Enterprise (NCC-1701) | Boyce •McCoy •M'Benga | |
| ISS Enterprise (ICC-1701-D) | Crusher | |
| USSConstitution personnel | ||
|---|---|---|
| USSConstitution (22nd century) | La Forge | ![]() ![]() |
| USSConstitution (prototype) | Augenthaler •Banks •Barton •Borrik •Carvajal •Chafin •Ferris •J. Gaynor •Herzog •A. Hirota •A. Jankowski •W.M. Jefferies •J.T. Kirk •Lidell •R. Likins •Livingstone •D. Lynch •Masefield •L.H. McCoy •Medina •G. Mitchell •Park •Polcovich •Rawitzer •Reboulet •Tomberlin •C. Velasquez •P. Waterston •R. Wesley •Wooten •Zuleta •unnamed personnel | |
| USSConstitution (Galaxy-class) | J. van Osterlich •Solack •T. Soga •B. Spencer | |
Template:USS Richard Feynman personnel
| Starbase 7 personnel | ||
|---|---|---|
![]() | Dexter Armbruster •Blunt •Brady •Sandra M.J. Entwhistle •Joshua Helmes •Golav Mahth •Leonard McCoy •Bill Nygulla •David A. St. James •Springer | ![]() |
| IKSB'rel/IKSQel'poH personnel | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Klingon Empire,Klingon Defense Force as IKSB'rel or IKSQel'poH | Kruge •Maltz •Torg •unnamed Klingons (gunners, sergeant, etc.) | ![]() | ||||||||||||||||||||||||||||||||||||||||||||
| Federation,Starfleet commandeered as HMSBounty | Pavel Chekov •James T. Kirk •Konom •Leonard McCoy •Saavik •Montgomery Scott •Spock •Hikaru Sulu •Nyota Uhura | ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||
| Terran Empire,Starfleet temporarily commandeered as HMSBounty | Pavel Chekov •Spock •Hikaru Sulu | ![]() | ||||||||||||||||||||||||||||||||||||||||||||
| USSEnterprise-Apersonnel | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arex •Allocca •Arons •Banks •Barnes •Bearclaw •Benson •Bloemker •Borkowski •Boyajian •Bryce •Bob •Bull •H. Burke •L. Burke •Cassano •Castille •Chapel •Chekov •Clev •Codobach •Coletti •Connors •Darwa •Davis •Dax •de Broek •del Gaizo •Delaney •Delaney •DeLeon •Dietrich •J. Finney •Fisher •Flaherty •Fouton •Fucci •Galaym •Hazzard •Hernandez •Hicks •Hunter •Isenberg •Jackson •Kaminsky •Kirk •Kitty •Konom •Laria •Lawlor •Lee •Kathy Li •Ludlo •McCoy •McIntyre •McMurphy •Meyer •M'Ress •M'yra •Naraht •Newman •Palamas •Paul •Popov •Rasche •Romaine •Ryder •Saavik •Samno •Scott •Sherwood •Spock •Staci •Sterno •Sulu •T'Rin •Tooch •Tuchinsky •Uhura •Valeris •Wetherell •Yost •unnamed USSEnterprise-A personnel | ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||
| See also:Personnel roster | ||||||||||||||||||||||||||||||||||||||||||||||
| USSEnterprise-B personnel | ||
|---|---|---|
![]() | G. Aldani •S. Alderson •D. Andreas •V. Angelis •Benzon •R. Buonarroti •Corvallis •T. Dane •M. Dey •DeYoung •B. Fenn •W. George •K. Giles •G. Haas •J. Harriman •K. Hernandez •M. Jennings •T. Johnson •R. Kanchumurthi •G. Kostas •Li •X. Linojj •Magnus •Marruu •Metcalfe •Michaels •R. Michaels •C. Molina •U. Morell •Narayn'Ka •D. Permenter •Plumley •Rasche •D. Rendón •W. Roscoe •S'Teles •A. Sasine •Shehinian •T. Singer •R. Sky •D. Sulu •T. Syndergaard •Tenger •M. Thompson •Thompson •M. Tobiaston •A. Tobler •Tolek •G. Ved •R. Veracruz •Verant •Voight •A. ch'Vrane •H. Young •Z'on •unnamed USSEnterprise-B personnel | ![]() |
| Intrepid personnel | ||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SSIntrepid (Intrepid-class prototype) | C. Ramirez •M. Reed (alternate timeline) | Intrepid (NX-07,NX-class) | R. Brazzi •A. Byelev •H. Croft •J. Lambert •G. Larssen •G. Toussaint •Z. al-Qatabi •Y. Kawazana | ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||
| USSIntrepid (NCC-1631,Constitution-class) | Garth •Spiak | USSIntrepid II (Constitution-class) | Setek •Sehlk •Si'jsk •Sobek •Suvuk •T'Kiha •T'Leiar •T'Noy | ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||
| USSIntrepid II (Oberth-class) | Atherton •Clayton •Chang •Diver •Duchamps •L. McCoy •F. Mercier •Richards •Spock •N. Uhura | |||||||||||||||||||||||||||||||||||||||||||||
| USSIntrepid (NCC-38907,Excelsior-class) | D. Dieghan •S. Rozhenko •J. Tavares •Tobias | USSIntrepid (NCC-74600,Intrepid-class prototype) | W. Emick •J. Hayek •D. Kaplan •T. Riley •V. Stadi | |||||||||||||||||||||||||||||||||||||||||||
| UESS Enterprise personnel (alternate timeline) | ||
|---|---|---|
| Phillip Boyce •Pavel Chekov •Lee Kelso •James T. Kirk •March •Guillermo Masada •Leonard McCoy •Ann Mulhall •Christopher Pike •Montgomery Scott •John Stiles •Nyota Uhura •Vinci | ||
Appearances[]
References[]
External link[]
- Leonard McCoy article atMemory Alpha, the wiki for canonStar Trek.
- Leonard McCoy article at theStar Trek Timelines Wiki.






















































