Thomas Joseph Nicolson was a Roman Catholic bishop

Bishop (Catholic Church)

In the Catholic Church, a bishop is an ordained minister who holds the fullness of the sacrament of Holy Orders and is responsible for teaching the Catholic faith and ruling the Church....

 who served as the Vicar Apostolic of Scotland.

Born in Birkenbog, Banffshire

Banffshire

The County of Banff is a registration county for property, and Banffshire is a Lieutenancy area of Scotland.The County of Banff, also known as Banffshire, was a local government county of Scotland with its own county council between 1890 and 1975. The county town was Banff although the largest...

 in 1645, He was converted to the Roman Catholic Church in 1682. He was ordained

Holy Orders

The term Holy Orders is used by many Christian churches to refer to ordination or to those individuals ordained for a special role or ministry....

 a priest

Priesthood (Catholic Church)

The ministerial orders of the Catholic Church include the orders of bishops, deacons and presbyters, which in Latin is sacerdos. The ordained priesthood and common priesthood are different in function and essence....

 on 9 March 1686. He was appointed the Vicar Apostolic of Scotland and Titular Bishop

Titular bishop

A titular bishop in various churches is a bishop who is not in charge of a diocese.By definition a bishop is an "overseer" of a community of the faithful, so when a priest is ordained a bishop the tradition of the Roman Catholic and Orthodox churches is that he be ordained for a specific place...

 of Peristasis by the Holy See

Holy See

The Holy See is the episcopal jurisdiction of the Catholic Church in Rome, in which its Bishop is commonly known as the Pope. It is the preeminent episcopal see of the Catholic Church, forming the central government of the Church. As such, diplomatically, and in other spheres the Holy See acts and...

 on 7 September 1694. He was consecrated

Consecration

Consecration is the solemn dedication to a special purpose or service, usually religious. The word "consecration" literally means "to associate with the sacred". Persons, places, or things can be consecrated, and the term is used in various ways by different groups...

 to the Episcopate

Episcopal polity

Episcopal polity is a form of church governance that is hierarchical in structure with the chief authority over a local Christian church resting in a bishop...

 in Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 on 27 February 1695. The principal consecrator

Consecrator

Consecrator is a term used in the Roman Catholic Church to designate a bishop who ordains a priest to the episcopal state. The term is often used in Eastern Rite Churches and in Anglican communities. The term "Principal Consecrator" is used to designate the primary bishop who ordains a new bishop...

 was Bishop Jules Mascaron

Jules Mascaron

Jules Mascaron was a popular French preacher. He was born in Marseille as the son of a barrister at Aix-en-Provence. He entered the French Oratory early and became reputed as a preacher...

 of Agen

Roman Catholic Diocese of Agen

The Roman Catholic Diocese of Agen is a Latin Rite Roman Catholic diocese in France.The diocese comprises the Département of Lot and Garonne, in the Region of Aquitaine...

, and the principal co-consecrators were Bishop Henri de Barillon of Luçon

Roman Catholic Diocese of Luçon

The Roman Catholic diocese of Luçon , is a diocese of the Latin Rite of the Roman Catholic church in France. The diocese comprises the department of Vendée.-History:...

 and Bishop Martin de Ratabon of Ypres

Diocese of Ypres

The former Roman Catholic Diocese of Ypres, in present-day Belgium, existed from 1559 to 1801. Its seat was Saint Martin's Cathedral in Ypres.-History:...

. He died in office on 12 October 1718, aged 73.