Parishes where Costin and a second surname are found together


Household numbers by county in Griffith's (1847-64), as on the map

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Surname Dictionary

Costin Very rare: Waterford & Cork. Ir. Mac Oistín (Austin). The Norse form of Augustine.
Mac Oistín Costin: fíor-annamh: Port Lairge. Leagan Lochlannach ar Augustin.

Variants in Griffith's
& total households

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Costen: 5
Costin: 15
Costine: 13
Coston: 18

Non-Griffith's Variants

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Click on a name below for just its sources.

Mac Oistin

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