Meaning A boy's name of Gaelic origin, it means "Little one." Origin of Beagan Gaelic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Beagan Similar Names Bealantin Bowen Peadar Gabhan Gearald Gille Mungan Raibeart Stiabhan Ronan Year by Year Popularity of Beagan