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
Moran (surname) Moran (surname) Moran () is a modern Irish surname and derived from membership of a medieval dynastic sept. The name means a descendent of "Mórán". “Mor” in Gaelic translates as big or great and “an” as the prefix the. Morans were a respected sept of the Uí Fiachrach dynasty in the western counties of Mayo and Sligo. In Ireland, where the name descended from the Gaelic, it is generally pronounced anglicised approximate of the Irish pronunciation. Elsewhere, pronunciation follows the French surname, "Morant", anglicised to or . There are many different crests of Moran, many bearing three stars and the