The place where the name comes from is probably fr:Beaufour (Normandy, now Calvados département) : Belfou 1040 - 1066, Bellafagus 1195 "beautiful beech-tree", confused later with another place-name (Orne département) Beaufai : Belfai 1092, De Bello Fayaco ar. 1345 "beautiful beech wood"