Astraeus is the name of a Greek Titan associated with stars, dusk, and celestial forces.
Astraeus (ah-STRAY-us) descends from ancient Greek, built from the root astron, meaning "star," paired with the suffix that marks divine or titanic beings. In Hesiod's Theogony, Astraeus is one of the second-generation Titans, son of Crius and Eurybia, who rules over the dusk and the starlit sky. His union with Eos, goddess of the rosy dawn, produced some of the most poetic offspring in all of myth: the four Anemoi — Boreas, Notus, Eurus, and Zephyrus — the directional winds, and the Astra Planeta, the wandering stars we call planets.
He was thus the cosmic father of both weather and the heavens. Beyond Hesiod, Astraeus appears in the astrological writings of late antiquity, where he was sometimes identified with the starry sky itself, a personification of the boundless firmament. His name carries the same root as astronomy, asteroid, and the modern prefix astro-, giving it an almost scientific resonance alongside its mythological grandeur.
As a given name, Astraeus has remained extraordinarily rare throughout history — too grand and archaic for most naming conventions — but it has found renewed interest in the twenty-first century alongside a broader revival of Greek mythological names. Parents drawn to Atlas, Orion, or Cassian have begun to discover Astraeus as a celestial alternative with even deeper cosmic credentials. It suits an era fascinated by space exploration, carrying both the ancient wonder of stargazing and the contemporary excitement of rockets and telescopes.