[1] The surname Carr and its variants date back to the Battle Abbey Roll from 1066 after the Anglo Norman invasion of William the Conqueror.
[2] The surname appears in the Old Norse genealogical section of the Flateyjarbók the largest medieval Icelandic manuscript.
[3] In Skáldskaparmál, Snorri Sturluson lists Kjarr as a descendant of Auði, the founder of the Ödling dynasty.
In the Heimskringla by Snorri Sturluson, Valland is mentioned several times as the Old Norse name for Gaul.
It was the country where Rollo carved out Normandy: Kjárr, usually a king of the Valir.