1st Bishop of Plymouth
George Errington ​(1851 - 1855)

Born 14th September 1804 at Clints Hall, Marske, Richmond; 22nd December 1827 was ordained priest in Rome; 25th July 1851 ordained Bishop of the restored Diocese of Plymouth at Salford by Cardinal Wiseman; 30th March 1855 became titular archbishop of Trabezus and coadjutor archbishop of Westminster; 22nd December 1855 appointed Apostolic Administrator of the Diocese of Clifton until 15th February 1857; 2nd July 1862 resigned as coadjutor archbishop of Westminster; 1st Sept 1865 appointed parish priest of St Mary’s Church, Douglas, Isle of Man; 27th January 1868 nominated Apostolic Delegate in Scotland but declined the appointment 12th August 1868; 1st September 1874 retired to Prior Park, Bath; died 19th January 1886 at Prior Park aged 81; buried at Prior Park College Chapel, Bath. ​​

2nd Bishop of Plymouth
William Vaughan (1855-1902)

Born 14th February 1814 at London; ordained priest at Prior Park on 10th March 1838; ordained Bishop of Plymouth 16th September1855 at Clifton, Bristol, by Cardinal Wiseman; died at St Augustine’s Priory, Abbotsleigh on 25th October 1902 aged 88 years; buried at St Augustine’s Priory, Abbotsleigh, nr Newton Abbot. His remains were reinterred in the Lady Chapel vault at the Cathedral on 13th December 1998.​

3rd Bishop of Plymouth
​Charles Graham (1902-1911)

Born 5th April 1834 at Mhow, East Indies; ordained priest in Rome on 19th December 1857; ordained titular Bishop of Cisamus and coadjutor Bishop of Plymouth on 28th October 1891 at Plymouth by Bishop Clifford; succeeded as Bishop of Plymouth 25th October 1902; appointed titular Bishop of Tiberias 1st February 1911 and retired to Hale, Cornwall; died on 2nd September 1912 at Hayle aged 78 years; buried at Plymouth Cemetery; reinterred in the Lady Chapel vault at the Cathedral on 13th December.​

4th Bishop of Plymouth
John Keily (1911-1923)

​Born 23rd June 1854 at Limerick City, Ireland; ordained priest at Plymouth 18th May 1877; ordained Bishop of Plymouth by Cardinal Bourne on 13th June 1911 at Plymouth Cathedral; died on 23rd September 1928 aged 74 at St Augustine’s Priory, Abbotsleigh, nr Newton Abbot; buried at St Augustine’s Priory Cemetery; reinterred in the Lady Chapel vault at the Cathedral on 13th December 1998.​

5th Bishop of Plymouth
​John Barrett (1929-1946)

Born 31st Oct 1878 at Liverpool; ordained priest 9th June 1906 at Upholland, Skelmersdale; consecrated titular Bishop of Assus and auxiliary Bishop of Birmingham on 22nd February 1927 at the Metropolitan Cathedral Church of St Chad, Birmingham, by Archbishop Keating; translated to the Diocese of Plymouth on 7th June 1929; during the blitz of Plymouth he resided at Stoodley Knowle Convent, Torquay, and died there on 2nd November 1946 aged 68 years; buried at St Mary’s Buckfast Abbey Cemetery​.

6th Bishop of Plymouth
​Francis Grimshaw (1947-1954)

Born 6th October 1901 at Bridgewater; ordained priest at Bristol on 27th February 1926; consecrated Bishop of Plymouth on 25th July 1947 at Plymouth Cathedral by Archbishop Masterson (of Birmingham); 11th May 1954 was translated to Archdiocese of Birmingham; died 22nd March 1965 at Edgbaston, Birmingham, aged 63 years; buried at St Mary’s College, Oscott, Sutton Coldfield.

7th Bishop of Plymouth
Cyril Restieaux (1955-1985)

Born 25th February 1910 at Norwich; ordained priest at Rome on 1st November 1932; consecrated Bishop of Plymouth on 14th June 1955 at Plymouth Cathedral by Archbishop Grimshaw; retired on 15th January 1986 to Stoodley Knowle Convent, Torquay; died 26th February 1996 at Stoodley Knowle aged 86 years; buried at the Cathedral Church of SS Mary and Boniface, Plymouth.​

8th Bishop of Plymouth
Christopher Budd (1986-2013)

Born 27th May 1937 at Romford; ordained priest on 8th July 1962 at Rome; consecrated Bishop of Plymouth 15th January 1986 at Plymouth Cathedral by Bishop Restieaux. Died 1st April 2023 aged 85 years; buried at St Mary's Cemetery, Buckfast Abbey.

9th Bishop of Plymouth

Mark O'Toole (2013 - 2022)
Born 22nd June 1963 in London;
Ordained priest on 9th June 1990
Ordained as Bishop of Plymouth 28th January 2014,
Installed as Archbishop of Cardiff  20th June 2022 and
​Bishop of Menevia 23rd June 2022.
​2025 - Archbishop of Cardiff-Menevia

​​