Henry Clay Jr. | |
|---|---|
| Member of the Kentucky House of Representatives | |
| In office 1835–1837 | |
| Personal details | |
| Born | (1811-04-10)April 10, 1811 Lexington, Kentucky United States |
| Died | February 23, 1847(1847-02-23) (aged 35) Buena Vista,Coahuila, Mexico |
| Resting place | Lexington Cemetery in Lexington Kentucky |
| Spouse | |
| Children | Henry Clay III (b. 1833) Matilda (b. 1835) Anne Brown (b. 1837) Martha Clay (b. 1838) Thomas Julian Clay (b. 1840) |
| Parent(s) | Henry Clay & Lucretia Hart |
| Relatives | Madeline McDowell Breckinridge (granddaughter) |
| Education | Transylvania University United States Military Academy |
| Occupation | Lawyer, politician, soldier |
| Military service | |
| Allegiance | |
| Branch/service | |
| Years of service | 1831 1846–1847 |
| Rank | |
| Battles/wars | Battle of Buena Vista † |
Henry Clay Jr. (April 10, 1811 – February 23, 1847) was an American politician and soldier fromKentucky, the third son of US Senator and RepresentativeHenry Clay and Lucretia Hart Clay. He was elected to the Kentucky House of Representatives in 1835 and served one term. A graduate ofWest Point, he served in theMexican–American War and was killed in 1847 at theBattle of Buena Vista.[1]
Born on his family's estate ofAshland, inLexington, Henry Jr. was the older brother ofJames Brown Clay andJohn Morrison Clay, the only sons surviving at the time of their father's death. He had six sisters, all of whom died before their father.
After graduating fromTransylvania University in 1828, Clay gained an appointment to theU.S. Military Academy atWest Point. He graduated in 1831 (2nd of his class), and served as asecond lieutenant in the artillery for a few months before resigning. Returning to Kentucky, heread law and was admitted to the bar in 1833.d
In 1832, Henry Clay Jr. married Julia Prather (1814–1840), with whom he had five children.
Their daughter Anne Brown Clay (1837–1917) married MajorHenry Clay McDowell (1832–1899). In 1883, they purchased her grandfather'sAshland estate from other heirs. Their son,Thomas Clay McDowell, was a major figure inThoroughbredhorse racing in Kentucky. He was a breeder, owner, andhorse trainer, who won the 1902Kentucky Derby withAlan-a-Dale.
After starting his law career, in 1835 Clay was elected as a member of theKentucky State House of Representatives, serving a two-year term to 1837.

When theMexican–American War threatened, Clay was appointed to aregiment, the 2nd Kentucky Volunteers. He was commissioned a lieutenant colonel and led his regiment in support ofZachary Taylor's invasion force in 1846.
Clay brought one of his slaves named John with him to the war. On January 1, 1847, he wrote a letter back to his Kentucky family: "John asks me to give his Xmas compliments to you. He is still with me and has turned out on the whole a very good boy. He thanks God that he is still safe as several of his black companions have been killed by the Mexicans."[2]
Clay was killed in action while leading a charge of his regiment in theBattle of Buena Vista on February 23, 1847. His body was transported to Kentucky, where his funeral was a major event in Louisville—"practically the whole town turned out to see the parade"[3]—and he was interred inFrankfort Cemetery inFrankfort.
His slave John also returned to Kentucky, where after emancipation, he took the full name John Henry Clay. In 1876, he and his wife Sallie had a son, Herman Heaton Clay. In 1912, Herman and his wife Edith had a son of their own and named himCassius Marcellus Clay, after theabolitionist cousin of Henry Clay. In 1942, Cassius and his wifeOdessa Grady Clay had a son they named Cassius Marcellus Clay Jr., who would later change his name toMuhammad Ali and become three-time heavyweight champion of the world and one of the most famous humans of the 20th century.[2]
Clay County, Iowa is named in his honor.