O'Dempsey households mapped in 1901

Click on the red marker on the map below for a link to the full 1901 census entry.

Dempsey	Very numerous: Midlands, Ulster and generally. Ir. Ó Díomasaigh (proud). The sept was seated in Clanmalier, Laois-Offaly, until dispossessed in 17 cent. IF.
Dempster	fairly numerous: E Ulster. Scottish and Manx. Means a judge. SI.
Ó Díomasaigh	Dempsey: an-líonmhar: Lár na Tíre, Cúige Uladh & rl. Bhí siad suite i Laois-Uíbh Fhailí ar theacht na Normannach agus d'fhanadar ann go dtí gur chailleadar a gcuid tailte sa 17 céad. Brí: díomasach = uaibhreach. IF.

DEDs where O'Dempsey and a second surname are found together

This list shows total 1901 O'Dempsey households by county.
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O'Dempsey heads of household in the 1901 census