books.google.fr - It is hard to imagine life without surnames, but surnames were a rarity before the 11th century. Names originated from localities such as Nisbet and Ralston, baptismal names such as Anderson and Lawrence, trades such as Baxter and Fletcher, offices such as Bannerman and Walker, professions such as Clerk...http://books.google.fr/books/about/Origin_and_Signification_of_Scottish_Sur.html?hl=fr&id=AEYiPcaivcEC&q=chief&utm_source=gb-gplus-shareOrigin and Signification of Scottish Surnames with a Vocabulary of Christian Names
