Meaning A boy's name of Gaelic origin, it means "From the Narrow River." Origin of Caolabhuinn Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Caolabhuinn Similar Names Kelven Kelwin Coilin Judas Beagin Frannsaidh Gayner Gervin Muireach Raghallach Year by Year Popularity of Caolabhuinn