Gilmore and Gillmore are surnames with several origins and meanings. The name can be of Irish, in particular from Ulster, and Scottish Highland origin, Anglicised from the Gaelic Mac Gille Mhoire (Scottish Gaelic), Mac Giolla Mhuire (Ulster Irish Gaelic). The name was a patronymic name meaning "servant of (the Virgin) Mary". Gilmore is an alternative, or sept, of Clan Morrison from Scotland, known as MacGilleMhoire in Scottish Gaelic. Gillmore has been noted as a derivative of the Scottish Gaelic Gille-mohr, meaning "great servant", a name given to the armour-bearer to a Highland chief, or more prosaically to the servant or henchman of a chief. Another origin of the surname Gilmore is Irish, with two separate meanings. In County Armagh, the name is an Anglicised form of Mac Giolla Mhura "servant of St. Mura" (of Fahan, County Donegal). In County Sligo, Gilmore is an Anglicisation of Mac Giolla Mhir meaning "son of the spirited lad".

People surnamed Gilmore or Gillmore

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Fictional characters