J. M. Marcus Humphrey

James Malcolm Marcus Humphrey, Baron of Dinnet CBE OStJ DL FRICS (born 1 May 1938), who prefers to be known as Mr Marcus Humphrey of Dinnet, is a Scottish Conservative Party politician.

He was educated at Eton and Christ Church, Oxford and on 15 October 1963, he married Sabrina Margaret Pooley.

He was the Conservative candidate in the 1991 Kincardine and Deeside by-election, coming second to Nicol Stephen of the Scottish Liberal Democrats.

He served as Sovereign Grand Commander of the Supreme Council for Scotland of the Scottish Rite from 1995 until 2022.

His family own the Dinnet Estate in Aberdeenshire, he was a Deputy Lord Lieutenant of Aberdeenshire and was formerly Deputy Provost of Aberdeenshire Council while a Conservative Councillor for Aboyne, Upper Deeside and Donside.