Updated June 9, 2019 Share: Boy name origins & meanings Irish : Strong Boy name variations Brian Bryan Bryon Bryant Brien Briand Briann Brianne Briano Brainao Briaun How Popular Is The Name Briant Family name origins & meanings Irish : variant of Bryan. The addition of -t is due to English speakers’ perception of the devoicing of Gaelic final -n.French : variant of Brian 2.