Brittanys were developed in the Brittany province of France. Breton is a Southwestern Brittonic Celtic language spoken in Brittany. Breton is most closely related to Cornish, both being Southwestern Brittonic languages. The Bretons are an ethnic group located in the region of Brittany in France. If you are looking for some Breton names for your boy or girl Brittanys, why not check out our collection of Breton dog names? These traditional Breton names are cool and different, they make good names for your little pups.