BradyIrish Anglicized form of the Irish name Ó Brádaigh meaning "descendant of Brádach". A famous bearer is the American football quarterback Tom Brady (1977-).
BunkerEnglish Derived from Old French bon cuer meaning "good heart".
BurnettEnglish Means "brown" in Middle English, from Old French brunet, a diminutive of brun.
CaseyIrish Anglicized form of Irish Ó Cathasaigh meaning "descendant of Cathassach".
DukeEnglish From the noble title, which was originally from Latin dux "leader". It was a nickname for a person who behaved like a duke, or who worked in a duke's household.