Francis George Mostyn was a Roman Catholic bishop who served as the Vicar Apostolic of the Northern District of England from 1840 to 1847.

He was born in 1800, the son of Charles Browne Mostyn, of Kidlington

Kidlington

Kidlington is a large village and civil parish between the River Cherwell and the Oxford Canal, north of Oxford and southwest of Bicester.-History:...

, Oxfordshire

Oxfordshire

Oxfordshire is a county in the South East region of England, bordering on Warwickshire and Northamptonshire , Buckinghamshire , Berkshire , Wiltshire and Gloucestershire ....

, by his second wife, Miss Tucker. His grandfather was Sir Edward Mostyn, 5th Mostyn Baronet, of Talacre

Mostyn Baronets

There have been two Baronetcies created for persons with the surname Mostyn, both in the Baronetage of England. One creation is extant as of 2008....

. Francis began his education at St Mary's College, Oscott in 1813, leaving three years later, only to return as an ecclesiastical student in December 1822. 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....

 to the priesthood

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....

 in 1828, and for the next twelve years he served the mission in Wolverhampton.

He was appointed the Vicar Apostolic of the Northern District 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 Abydus on 22 September 1840. His consecration

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...

 took place on 21 December 1840, 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 John Briggs, with bishops Walsh

Thomas Walsh (UK bishop)

Bishop Thomas Walsh was a Roman Catholic clergyman and Vicar Apostolic who served the Midlands area of the United Kingdom. He was born in London on 3 October 1776, and ordained priest on 19 September 1801...

 and Brown

George Hilary Brown

George Hilary Brown was an English prelate who served as the first Roman Catholic Bishop of Liverpool from 1850 to 1856.-Early life:...

 as co-consecrators.

He died in office at Durham

Durham

Durham is a city in north east England. It is within the County Durham local government district, and is the county town of the larger ceremonial county...

 on 11 August 1847, aged 47, and was buried in the cemetery at Ushaw College

Ushaw College

Ushaw College was a Roman Catholic seminary near Durham, England that closed in 2011. Ushaw was the principal seminary in the north of England for the training of Catholic priests.-History:...

.