Brennan as a girls' name (also used more generally as boys' nameBrennan) is of Irish and Gaelic origin, and the meaning of Brennan is "descendant of Braonán". Transferred use of the surname. Braonán is a personal name meaning "moisture, drop" or may also be a contracted form ofBrendan.

SEE ALSOBrenna

STARTS/ENDS WITHBre-,-an

ASSOCIATED WITHirish,surname

Variations

How popular is Brennan?

Brennan is a rare given name for females but a very popular last name for both adults and children (#642 out of 150436, Top 1%).(2000 U.S. CENSUS)

Similar Names

Brennan is pronounced similarly toBranwen,Brenyn,Briannon,Bronwen,Bronwin,Bronwyn andBrynnan. Other suggested similar-sounding names areBenni,Benny,Berna,Bethan,Betsan,Bonnin,Brana,Branda,Brandin,Brandyn,Branka,Brann, Brannde (seeBrandy),Branndi,Brea▼,Breah,Breana▼,Breanda,Breann▼,Breanna▼,Breawna,Breda,Breea,Breean,Breeana,Breeann,Breeanna▼,Breehan,Breen,Breena,Breiana,Breina,Bren,Brenda▼,Brendah,Brendie,Brendyl,Brenee,Brenn,Brennah, Brennda (seeBrenda), Brenndah (seeBrenda),Brenne,Breona,Breonda,Breonna▼, Bretny (seeBrittany),Brettany,Briana▼,Briann,Brianna▼,Brieanna▼,Brienna,Brienne,Brinda,Brinna,Brittan,Brogan,Bronnie,Bryana▼,Bryann,Brynda,Brynn▲,Brynna,Brynne,Bryonna,Buena andShannan▼. These names tend to be more frequently used than Brennan.