出典:Wiktionary
出典:『Wiktionary』 (2026/01/03 23:05 UTC 版)
From Irish Ó Braonáin (“descendant of Braonán”), a diminutive of braon (“moisture, drop”). Alternatively, from Irish Ó Branáin (“descendant of Branán”), a diminutive of bran (“raven”).
Brennan (plural Brennans)