Meaning This Gaelic name is not common amongst the current population. It means 'child'. Origin of Caelan Celtic , Irish Popular Middle Names Edward, Finn, Jack Pronunciation 🔊 Listen Caelan CAY-lan Similar Names Nityanand Findlay Beagin Frannsaidh Gayner Gervin Muireach Raghallach Steaphan Beagen Year by Year Popularity of Caelan