Greek Titaness and mother of the Olympian gods; name possibly means 'flowing' or 'ease.'
Rheia — more commonly spelled Rhea — is one of the oldest divine names in the Western canon, belonging to a Titan goddess of ancient Greek religion who preceded the Olympian pantheon. Daughter of Uranus and Gaia, she became the consort of Kronos and mother of the six original Olympians: Zeus, Hera, Poseidon, Demeter, Hestia, and Hades. Her name's etymology remains debated among scholars; the most compelling theories connect it to the Greek verb rheo (to flow), associating her with rivers and the fertile earth, or to a pre-Greek substrate word for 'ground' or 'ease.'
The ancient Greeks sometimes called her the 'Mother of the Gods' and equated her with Cybele, the Phrygian earth mother. Her mythology is rich with drama: Kronos, fearing a prophecy that his children would overthrow him, swallowed each infant at birth. Rheia, determined to save her youngest, swaddled a stone and presented it to Kronos in Zeus's place — a story of maternal cunning and defiance that resonates across cultures.
Temples to Rheia stood across Greece and Asia Minor; her sacred animals were the lion, and her priests performed ecstatic rites on mountaintops. The variant spelling Rheia — the more archaic Greek transliteration — has gained favor among parents who want to signal classical depth beyond the more familiar Rhea. In contemporary use, the name benefits from the broader revival of mythological names, sitting comfortably alongside Athena, Phoebe, and Calliope. Rheia carries the weight of primordial earth and maternal power, a name that feels both ancient and completely modern.