Meaning Allon is a boys name of Celtic origin, it is a variant of the name Alan. The name means 'little rock', 'harmony and peace'. Origin of Allon Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Allon AL-lon Similar Names Allam Atrus Arturs Artie Artturi Akker All Atty Ferghus Fearghus Year by Year Popularity of Allon