Meaning Kellie is a Celtic name for a girl, it means lively and bright-headed. Origin of Kellie Celtic , Irish Popular Middle Names Rilynn, Ann Pronunciation 🔊 Listen Kellie KEHL-iy Similar Names Bedelia Berget Hnazant Sharman Vivia Vivian Purificación Jaleh Zondra Valorous Year by Year Popularity of Kellie