Considering a Celtic name for your baby? Breton is a Celtic language spoken in Brittany, a northern coastal region in France, along with its sister languages Welsh and Cornish. As Breton’s speakers has declined rapidly since the 1950’s it is considered severely endangered. Though it is spoken in France it closely resembles and shares common phonetic sounds with Welsh and Cornish, as well as traditional Irish. If you enjoy the Gaelic language family, a Breton name might be right for your baby. Baby Name World has a comprehensive list of Gaelic and Celtic names including Breton names and meanings.