Mac Amhalghaidh variant forms of the name. A modern variant is Mac Amhalaí. Another is Mac Amhalaidh. Another variant is Mac Amhalghadha. Variant forms of "Mac Amhalghaidh" and "Mac Amhalghadha" include Mag Amhalghaidh and Mag Amhalghadha. "Mac Amhalghaidh" translates into English as "son of "Amhalghaidh"", or "son of "Amhalghadh"". The surname originated as a patronym, however it no longer refers to the actual name of the bearer's father. The personal name "Amhalghaidh", also spelt "Amhalghadh", is an old Gaelic name, and is of uncertain origin and meaning. "Mac Amhalghaidh" is a masculine surname. The form of this surname for unmarried females is
Gray (surname) of Viking origin, Anchetil de Greye, accompanied William the Conqueror in his 1066 invasion of England. de Greye's descendants would become bishops John de Gray of Norwich and Walter de Gray of York. Gray (surname) Gray is a surname of that can come from a variety of origins but is typically found in Scotland, Ireland and England. In Ireland, the surname may have a Gaelic source from a phonetic transcription, or Anglicization of McGrath or McGraw. "Mac Giolla Riabhaigh" is sometimes Gray, but is also Anglicized to "McGreevy," "Gallery" and others. In most Scottish instances, the name "Gray" is from