Delargy is a surname of Irish origin. From Ó Duibhlearga 'descendant of Duibhlearga' from a personal name meaning 'black one of Learga' or 'black one of the slope'.

The family name Delargy (Irish: Ó Duibhlearga) was first found in County Mayo (Irish: Maigh Eo) located on the West coast of the Republic of Ireland in the province of Connacht, where Ó Duibhlearga of Dunfeeny in the barony of Tirawley is described in the Book of Lecan as "loving not the Galls," the Galls being the Anglo-Norman settlers in northern Mayo.

List of people with the surname edit

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