As described in historical dictionaries

An Etymological Dictionary of Family and Christian Names (1857)

Anciently an arbitrator or officer of justice in the Scottish courts.

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.


Patronymica Britannica (1860)

DEMPSTER. A judge ; the ofllcer of a court who pronounces doom. A-Sax. dcman, to judge. Jamieson. The Isle of Man is divided into two districts, over each of which a deemster still presides. Before the Union, there was an officer in the Scottish senate called the Dempster of Parliament, probably corresponding with the English " Speaker." This office was hereditary in the ancient family of Dempster of Auchterless, and hence their surname. In the old M.S. poem called Cursor Mundi, quoted by Halliweil, we read : —

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


Surname type: Occupational name

Origin: Celtic

Region of origin: British Isles

Country of origin: Scotland

Religion of origin: Christian

Language of origin: Gaelic

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