Williams Catholic baptisms in Ireland

Click on the red marker on the map below for a link to the parish reference.

Surname Dictionary

MacWilliams numerous: Ulster generally, Dublin etc. Ir. Mac Uilliam (Liam). The first name William, Teutonic Willhelm, meaning "will-helmet", was common amongst the Normans. See also Williams. SI.
Quilliam Very rare: Belfast. Ir. Mac Uiliam. May be of Manx origin.
Williams Very numerous: all areas. MacLysaght describes it as Welsh, but it is common all over Britain. A Norman first name, adopted from Teutonic Willihelm "resolve-helmet". It has produced many variants. See Mac Williams. Ir. Mac Liam. DBS & DOS.
Williamson Very numerous: mainly Ulster where they out-number Williams 2-1. Also Dublin, Cork and Midlands. Believed to be mainly of Scottish origin. See Williams.

Parishes where Williams and a second surname are both baptised.


RC parishes and households

This list shows total Williams Roman Catholic baptisms by county and parish.
Click on the parish to go to the FindMyPast transcript. (Free, registration required).

Variants and totals

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