Descendant of Branán; little raven
Brannen is an anglicized form of the Irish surname Ó Branáin. The name is derived from the Old Irish word 'bran', meaning raven, combined with a diminutive suffix, translating to 'little raven'.
Less common today
Brannen isn't in the latest US Top 1000. It last peaked at #3,797 in 1997.
Professional basketball player
US births per 5-year period, 1990–present (SSA data).