From Hebrew Esav meaning "hairy," the biblical twin brother of Jacob.
Esau is one of the oldest names in the Hebrew biblical tradition, appearing in Genesis as the elder twin son of Isaac and Rebekah, brother to Jacob. The name's etymology is contested but most scholars connect it to a Hebrew root meaning "hairy" or "rough" — a quality emphasized in the text itself, where Esau is born already covered with red hair, a physical exuberance that anticipates his character as a hunter, a man of the open fields who lives by physical skill rather than cunning. The name may also carry Semitic roots related to the concept of completeness or perhaps a connection to the name of the region Seir, where Esau's descendants, the Edomites, settled.
The story of Esau in Genesis is one of the Bible's most humanly recognizable narratives: he trades his birthright to his brother Jacob for a bowl of lentil stew, famously hungry after a day's hunting, and then is later deceived out of his father's blessing by Jacob's disguise. Yet the account is not simply a morality tale about impulsiveness — Esau's grief when the blessing is lost is among the most affecting moments in scripture, and his eventual reconciliation with Jacob, years later, is marked by extraordinary magnanimity. He is a figure of appetite and generosity in equal measure.
Esau has never been a common given name, partly because of the shadow that surrounds him in theological interpretation, but it has maintained a continuous, quiet presence in communities where deep biblical engagement shapes naming choices. In recent years it has drawn interest from parents attracted to its rugged simplicity and its Old Testament gravitas — two syllables, unmistakable, carrying the weight of one of history's oldest family stories. It is a name for someone comfortable taking up space.