The origin of surname Avalos is very old, is believed to have originated in a family with the same name Goda is internal in Spain when the Goths arrevataron the region into the Roman Empire.

This family settled in the town of San Felix Davalos in Navarre, where the first descendant of the lineage was William Avalon.

The first of the lineage passed from Germany to northern Italy and since moved to Spain.

Some variations of this surname are: Avalos, Avalle Abalos, Abbalos and others.