Oisin is a traditional Irish name that means "little deer" or "fawn." It is often associated with legends and folklore, particularly the story of Oisin, the son of the mythical hero Fionn Mac Cumhaill. Oisin is seen as a symbol of youth, vitality, and innocence in Irish culture. People with this name are said to be adventurous, charming, and free-spirited. Oisin is a unique and beautiful name with deep cultural roots in Ireland.