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| Mac Liam | Wilson: an-líonmhar gach treo - Cúige Uladh ach go h-áirithe. An sloinne gallda is líonmhaire sa tír. Ainm sinseartha ag na Búrcaigh i gConnachta. Aisteach go leor: níl FitzWilliam ar fáil anois. |
| Wilson | Very numerous: predominently Ulster, also Dublin, Midlands & South East. Scottish & English, the most numerous such name in Ireland. Derived, of course, from William. It was a "principal name" in Antrim in 1659. Usually gaelicised Mac Liam. |
Parishes where a Wilson and a second surname married each other.
This list shows total Wilson Roman Catholic marriages by county.
Click on the county to see detail.