US Popularity Rank: 2023

Origin: Irish

Meaning: Drop; Raven; Sorrow

Brennan is a masculine name of Irish origin. Derived from Ó Braonáin, Brennan began as a last name and translates to “drop” or “sorrow” from Braon. If you want to teach baby that sadness is a natural part of life that should be embraced, the name Brennan will be a powerful keepsake. This name also means “raven,” a dark-feathered bird that’s mentioned in many works of creative art, especially Edgar Allan Poe’s poem “The Raven.” This makes Brennan a beautiful name to help baby embrace their dark side.