Quick answer
Brendan is a boy name meaning "king, prince".
Pronunciation: English /ˈbɹɛn.dən/; Breton /ˈbʁɛn.dɑ̃n/.
Meaning and history
From Brendanus, the Latinized form of the Old Irish name Bréanainn, which was derived from Old Welsh breenhin meaning "king, prince". Saint Brendan was a 6th-century Irish abbot who, according to legend, crossed the Atlantic and reached North America with 17 other monks.
Notes and context
Usage: irish, english, breton