Meaning A boy's name of Gaelic origin, it means "Variant of Beagan: Small child." Origin of Beagin Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Beagin Similar Names Beagen Frannsaidh Gayner Gervin Muireach Raghallach Steaphan Dallan Brian Bainhrydge Year by Year Popularity of Beagin