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
Holmes (surname) Holmes (surname) Holmes is an English-language surname with several origins. The name can be a variant of the surname "Holme". This surname has several etymological origins: it can be derived from a name for someone who lived next to a holly tree, from the Middle English "holm"; it can also be derived from the Old English "holm" and Old Norse "holmr". Another origin of Holmes is from a placename near Dundonald, or else a place located in the barony of Inchestuir. The surname is also sometimes an Anglicised form of the Gaelic "Mac Thomáis"; similarly, "Holmes" can also be a