This name is of Irish and Breton origin, as well as a surname of Occitan origin. It is possible that the name is derived from an Old Celtic word, meaning “noble, strong, and virtuous” or a borrowing from the Proto-Brythonic “*brigonos”, meaning “high, noble”. The name is quite popular in Ireland, on account of Brian Boru (~941–1014), (Old Irish: Brian Bóruma Mac Cennétig, Modern Irish: Brian Bóroimhe), an Irish King who ended the domination of the high kingship of Ireland by the Uí Néill. The name was also quite popular in East Anglia during the Middle Ages. This is because the name was introduced to England by Bretons following the Norman Conquest. Bretons also settled in Ireland along with the Normans in the 12th century, and 'their' name was mingled with the 'Irish' version. In Goidelic mythology, and especially in Scotland, Brian was a pompous man who helped Cailleach rescue Deò-ghrèine. He was a son of Tuireann, and brother to Iuchar and Iucharba.