Namensverbreitungskarte – Verein für Computergenealogie (genealogy.net)
Clan Crozier (Crosier, Croser, Cros, etc.) is one of the border reiving clans of Scotland, allied with the Armstrongs, Elliots, and Nixons. Clan Cozier is an armigerous clan like the Armstrong without a chief.
Valley of early Scottish Croyser, is Riccarton Burn near Robert Ellot 15 of Lariston, and his brother Martin of Prickinhaugh.