Brennin

Meaning & origin

Brennin is a modern respelling of the Irish surname Brennan, which itself derives from the Gaelic Ó Braonáin, meaning 'descendant of Braonán', with 'braon' translating to 'moisture' or 'sorrow'. As a given name, Brennin first appeared in U.S. records in 1992, reflecting the trend of adapting surnames as first names. Its usage has remained very low, peaking in 2012, after which it has held a stable trajectory into 2025 without a ranking among the top 1000 names. The name is almost exclusively given to boys, and its rarity may appeal to parents seeking a distinctive yet familiar-sounding Irish name. No top states were recorded for Brennin, indicating its distribution is sparse nationwide.

Brennin is likely a modern respelling or variation of the Irish surname Brennan, which derives from the Gaelic Ó Braonáin, meaning 'descendant of Braonán'. The personal name Braonán is from 'braon', meaning 'moisture' or 'sorrow', though some interpret it as 'little raven'. As a given name, Brennin emerged in the late 20th century, particularly in the United States, as part of the trend of using surnames as first names.