Scott is a surname of Scottish origin. It is first attributed to Uchtredus filius Scoti who is mentioned in the charter recording in the foundation of Holyrood Abbey and Selkirk in 1120 and the border Riding clans who settled Peebleshire in the 10th century and the Duke of Buccleuch.y the 17th century the name is first recorded in Ireland as a surname. There is no evidence the surname may have originated with the first Gaelic settlers from Ireland despite its use as a marker for a Gael by the Romans.