What is "brennan"

Brennan is an Irish surname which is an Anglicised form of two different Irish language surnames—Ó Braonáin and Ó Branáin. Historically, one source of the surname was the prominent clan Ua Braonáin (O'Brennan) of Uí Duach (Idough) in Osraige who were a junior Dál Birn sept stemming from a younger son of Cerball mac Dúnlainge (d.888). Recent surname evaluations highlighted the geographic consistency of this lineage in the barony of Idough.

The Gaelic surname Ó Braonáin, means "descendant of Braonán". The personal name Braonán is derived from a word which means "moisture", "drop". The Gaelic surname Ó Branáin, means "descendant of Branán". The personal name Branán means "little raven". Brennan is also a given name.

Brennan may refer to:

• Brennan (surname)
• Brennan (given name)
• Brennan torpedo, a torpedo patented in 1877
• Brennan's, a creole restaurant in New Orleans, Louisiana
  • Brennan Family Restaurants, a group of restaurants operated by the Brennan family of New Orleans
• Electoral division of Brennan, an electoral division of Australia's Northern Territory

de:Brennan

Brennan and Braonán are masculine given names, Brennan is also a feminine given name. The given name Brennan is considered to be mainly an Irish or Gaelic name. The name is derived from the Irish surname Brennan, which in one form appears in Irish as Ó Braonáin, meaning "descendant of Braonán". The Gaelic personal name Braonán is derived from the Irish braon, meaning "moisture", "drop". In some cases the given name Brennan may be a contracted form of the given name Brendan.