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出典:Wiktionary
Reduced Anglicized form of Scottish Gaelic Mac Gille Fhaoláin and Irish Mac Giolla Fhaoláin (“son of the servant of (saint) Faolán”), a personal name thought to be a diminutive of Irish faol (“wolf”). Compare the surname McClellan.
Gilliland (複数形 Gillilands)
Gilliland