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
Flanagan (surname) Flanagan (surname) Flanagan is a common surname with origins in either Ireland or Scotland. It is an Anglicized version of the name Ó Flannagáin.There were at least 3 separate clans in Ireland with no connection, but many others share the surname Flanagan in Glasgow, Dundee and Aberdeen. In Irish the name is "Ó Flannagáin" and many variations exist today. Typically these variations include Flanagan, Flanagin Flanigan, Flannigan, Flannaghan, O'Flanagan, O'Flannagain, Flaniken, Flenigenand and more. In Scots-Gaelic they remain mainly the same. All variations, apart from some exceptions can have the prefix of "O" and the name may refer to: The