Brennan means 'descendant of Braonán,' linked to the root word for 'sorrow' or 'rain.' It carries a connotation of someone with a deep, emotional connection to their heritage, often interpreted as both a carrier of traditional wisdom and resilience.
See More NamesBrennan is of Irish origin, derived from the Gaelic 'Ó Braonáin,' meaning 'descendant of Braonán.' The name Braonán is a diminutive of the word braon, meaning 'sorrow' or 'moisture.'
The name Brennan has gained moderate popularity in the United States, especially in the late 1980s to 1990s. It remains less common than similar names but is beloved for its unique Irish heritage and distinct sound.
See More NamesLeave us your feedback about the name Brennan