African-American heritage of presidents of the United States
Calvin Coolidge's mother Victoria Moor was claimed to be of a mixed-race family in Vermont. Vaughn noted that her surname was derived from "Moor", a European term for people of North Africa. He did not note that another meaning of her surname is the landscape feature of moor or bog. People's surnames were often based on such landscape features when surnames became generally adopted in 14th century England. Moor/Moore is a common name in England, Scotland, and Ireland.
Clan Macrae
According to tradition, the Macraes were originally from Ireland and shared a common ancestry with the Mackenzies and Macleans. The Macraes were said to have originated from Clunes, which is located near the southern shore of the Beauly Firth, and was within the lordship of Lovat. Alexander Macrae stated that these traditions likely refer to a period sometime in the middle of the 13th century. According to John Macrae, after a violent dispute arose between the Macraes and more powerful Frasers of Lovat, three sons of the Macrae chief set off for new lands. One of the sons settled in Brahan, near Dingwall (later the site of Brahan Castle); another settled in Argyll; and the other settled in Kintail.