Cobain

The name Cobain is an anglicized form of the Irish surname Ó Cadhbháin. The original Irish surname is derived from the given name Cadbhán, which means 'hollow'. Surnames in Ireland often originated from a patronymic system, indicating 'descendant of' a particular individual. The Cobain spelling became more common as Irish names were anglicized over centuries, particularly during periods of British rule.

While primarily a surname, Cobain gained recognition as a given name due to the fame of Kurt Cobain, the lead singer of the band Nirvana. His prominence in the 1990s led to some parents choosing Cobain as a first name, often as a tribute or in admiration of the musician. This shift from surname to given name is a common phenomenon in naming trends.