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|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.|
Parishes where a Costine and a second surname married each other.
This list shows total Costine Roman Catholic marriages by county and parish.
Click on the parish to go to the listing of parish records.