A quinceañera may receive a last doll as a symbol of leaving childhood behind. The gift represents the celebrant’s transition from childhood toward a more mature stage of life.
In some ceremonies, a parent or another relative presents the doll, and the quinceañera may pass it to a younger sibling or child. That transfer makes the symbolism visible: the celebrant is moving beyond toys associated with early childhood.
The last doll is one of several optional quinceañera rituals. Others can include the presentation of a tiara, a changing-of-the-shoes ceremony, a formal toast, or the giving of symbolic gifts. No single sequence applies to every celebration.
The tradition is sometimes confused with a universal religious requirement. It is better understood as a family and cultural custom that may be included in a religiously affiliated celebration but is not required by Catholic doctrine.