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
Lithgow (surname) South Africa, Australia, New Zealand, the United States, and the UK. It may refer to: Lithgow (surname) Lithgow is a surname originating from Scottish as a habitational name from Linlithgow, between Edinburgh and Falkirk, which was probably named with British words related to modern Welsh "llyn" ‘lake’, ‘pool’ + "llaith" ‘damp’ + "cau" ‘hollow’.In the 13th and 14th centuries the name appears both with and without the first syllable. Originally, Lithgow was the name of the settlement and Linlithgow that of the lake. Lithgow was associated by folk etymology with Gaelic "liath" ‘gray’ + "cu" ‘dog’, and such a figure