A traditional quinceañera celebrates a girl’s 15th birthday.
The Spanish word quinceañera is connected to quince, meaning “fifteen,” and the celebration marks the transition from childhood toward young womanhood. In many families, the birthday itself is combined with a formal ceremony, a large reception, or both.
The custom is especially associated with Latin American communities and with Latino families in the United States. Its religious form may include a Catholic Mass, but contemporary celebrations can also be secular. The event is not legally equivalent to a wedding or a civil-age ceremony; its meaning is cultural and family-centered.
Some families adapt the tradition for boys, for different ages, or for local customs. Those variations do not change the central numerical association: the classic quinceañera is the celebration of turning 15.