Thomas Nicolson (bishop)

Thomas Joseph Nicolson (1645–1718) was a Roman Catholic bishop who served as the Vicar Apostolic of Scotland.

Born in Birkenbog, Banffshire in 1645, He was converted to the Roman Catholic Church in 1682. He was ordained a priest on 9 March 1686. He was appointed the Vicar Apostolic of Scotland and Titular Bishop of Peristasis by the Holy See on 7 September 1694. He was consecrated to the Episcopate in Paris on 27 February 1695. The principal consecrator was Bishop Jules Mascaron of Agen, and the principal co-consecrators were Bishop Henri de Barillon of Luçon and Bishop Martin de Ratabon of Ypres. He died in office on 12 October 1718, aged 73.