Meaning A boy's name of Irish origin, it means "lion." Origin of Tierney Celtic , Irish Popular Middle Names Alexis, Anne, Arabell, Mae Pronunciation 🔊 Listen Tierney TEER-nee Similar Names Abhayd Gillean Desmon Tihkoosue Tsebo Trevet Trahern Tincommius Thurl Teobaldo Year by Year Popularity of Tierney