English abbreviation for Thomas [q.v.], from Aramaic "twin".

The 1841 Census of Aberdeenshire has a large number number of occurrences of this abbreviation, which needs to be looked for separately. Thos is the usual abbreviaton but Tho and Thom also occur, although both are rare.

The 1841 Census of Aberdeenshire has a very large number of occurrences of "Thos." as an abbreviation of Thomas, and rare occurrences of the abbreviations "Thom." and "Tho.", all of which need to be looked for carefully.