abstract:Dickson or, as is common in England, "Dixon," is a patronymic surname, traditionally Scottish and thought to have originated upon the birth of the son of Richard Keith, son of Hervey de Keith, Earl Marischal of Scotland, and Margaret, daughter of the 3rd Lord of Douglas. "Nisbet in his Heraldry (Edinburgh 1722) says 'The Dicksons are descendants from Richard Keith, said to be a son of the family of Keith, Earls Marischals of Scotland' and in proof thereof carry the chief of Keith Marischal. This Richard was commonly called Dick and the 'son' was styled after him. The affix of son in the Lowlands answering the prefix Mac in the Highlands." As a result, Clan Dickson is considered a sept of Clan Keith. Richard Keith's son, Thomas, took the surname "Dickson," meaning "Dick's son" or "Richard's son." Thomas Dickson (1247–1307) himself has quite a history. He was associated in some way with William Wallace, and was killed by the English in 1307 in battle. Tradition states he was slashed across the abdomen but co