Brennan surname: meaning and origin
Brennan means descendant of Braonán, a diminutive of a word meaning sorrow or drop. It is a native Gaelic Irish family from Kilkenny and Roscommon.
| Irish form | Ó Braonáin |
|---|---|
| Meaning | descendant of Braonán, a diminutive of a word meaning sorrow or drop |
| Home region | Kilkenny and Roscommon (Leinster) |
| Origin | Gaelic |
| Variants | Brannan, O'Brennan |
History of the Brennan name
There were two main Brennan families, the Ossory Brennans of Kilkenny and the Connacht Brennans of Roscommon and Mayo.
More surnames from Leinster
- ByrneÓ Broin · descendant of Bran
- O'CarrollÓ Cearbhaill · descendant of Cearbhall
- CullenÓ Cuilinn · descendant of Cuilean
- DoyleÓ Dubhghaill · dark foreigner
- DunneÓ Duinn · descendant of Donn
- O'FarrellÓ Fearghail · descendant of Fearghal
Frequently asked questions
What does the surname Brennan mean?
Brennan (Irish: Ó Braonáin) means descendant of Braonán, a diminutive of a word meaning sorrow or drop.
What is the Irish spelling of Brennan?
The Irish-language form of Brennan is Ó Braonáin.
Where is the surname Brennan from?
Brennan is a native Gaelic Irish family, associated with Kilkenny and Roscommon in Leinster.
What are other spellings of Brennan?
Related spellings and forms include Brannan, O'Brennan.