Meaning A boy's name of Irish origin, it means "small and fair." Origin of Ceallachan Celtic , Irish +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Ceallachan Similar Names Fin Finn Finley Finly Clancey Cearbhall Gwynfor Kevin Lugh Maitiu Year by Year Popularity of Ceallachan