Meaning Tincommius is a boys name of Celtic origin, it means a big fish, a King from Belgic tribe. Origin of Tincommius Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Tincommius Tin-com-mius Similar Names Bholanath Perumaan Atrus Arturs Artie Artturi Trevet Trahern Thurl Teobaldo Year by Year Popularity of Tincommius