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