Meaning Gaia is an ancient name for a girl, it's meaning is 'earth mother'. Origin of Gaia Roman , Greek Popular Middle Names Nairobi Pronunciation 🔊 Listen Gaia Similar Names Tequila Okelani Agrippinae Amogechukwu Anazonwu Aniegbunam Mritsa Tathita Healani Keandra Year by Year Popularity of Gaia