Some Anglicised Surnames in Ireland
Thomson, Tomson, Thomison—This name in Ulster and Scotland is a Scottish sept name principally of the Clan Campbell or Siol Diarmuid O'Duibhne. It is the anglicised form of a few names, especially M'Tavish and M'Cavish (Mac Thómhais) in North Antrim and the West of Scotland, and of M'Cause, M'Comish and McOmish; the latter three being McFarlane sept. In Gaelic Mac Thómais.
M'Cawis and M'Cause in 1491, in Killin of Lochtay, Scotland.
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Alphabetical Index of Surnames
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