Jackson



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

Click on a county to see more detail
Antrim:53Armagh:80Belfast city:32Carlow:31
Cavan:36Clare:4Cork:8Cork city:6
Derry:48Donegal:14Down:66Dublin:31
Dublin city:25Fermanagh:17Galway:15Kerry:2
Kildare:22Kilkenny:8Laois:14Leitrim:6
Limerick:7Limerick city:7Longford:4Louth:5
Mayo:33Meath:18Monaghan:54Offaly:43
Roscommon:7Sligo:23Tipperary:34Tyrone:30
Waterford:16Westmeath:7Wexford:4Wicklow:30

Surname Dictionary

Jackson Very numerous: all areas, especially E Ulster. English, 17 cent. Ir. Mac Siacais, SGA.
Mac Siacais Very rare: Limerick etc. Ir.Lang. See Jackson.

Variants in Griffith's
& total households

Click here to see all variants on a single map

Click on a name to see it on the map.

Jackson: 840

Non-Griffith's Variants

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Click on a name below for just its sources.

Jackston
Mac Siacais


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