Costello (surname) to a Gaelic translation of Jocelyn, Jocelyn d'Angulo's given name. In fact, MacOisdealbhaigh is the Gaelic translation of his brother Hostilo (or Hostilio) d'Angulo's first name. Oisdealbh is a much more obvious translation of Hostilo. It is Hostilo's descendants who would bear the surname Mac Oisdealbhaigh (son of Oisdealbh or Hostilo). The surname would later be anglicized to Costello, Costelloe, and Costellow. Gilbert d'Angulo is also sometimes listed as the son of Jocelyn d'Angulo in error. Gilbert d'Angulo is the father of both Jocelyn and Hostilo. It occasionally has been adopted as a pseudonym or stage name by famous people
Campbell (surname) derivation, from the surname Mac Cathmhaoil. Descendants of a famous war-leader ("Cathmhaoil" means "battle chief") took the surname, which was often pronounced "Cammel". This coincided with the pronunciation of the Scottish surname "Campbell", and was therefore anglicised to the same spelling. From this Irish surname, a number of derivations were derived including MacCawill, McCaul, MacCall, Caulfield, and of course Campbell. Campbell Killian famous Kiltormer man. Campbell (surname) Campbell is primarily a Scottish surname of Gaelic origins. In Scotland, the name itself derives from two Scottish Gaelic words. "Cam" (crooked) and "Beul" (mouth) meaning "Crooked mouth" or "wry-mouthed", originally a nickname