A male given name from Irish.
"Brendan is a popular male given name from Irish origin, often associated with Saint Brendan the Navigator."
The name Brendan is an Anglicized version of the Irish saints' name Bréanainn, which traces back to Old Welsh breenhin meaning "prince" or "king." This original sense of being preeminent comes from a Proto-Celtic root describing someone who was high or exalted.