Meaning A girl's name of Gaelic origin, it means "Diminutive of Catriona, a Scottish Gaelic variant of Catherine meaning meaning pure, clear." Origin of Trina Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Trina Similar Names Katsumi Caryl Catrina Karin Kathrine Cateline Karlotta Katherina Catalin Caroliana Year by Year Popularity of Trina