Born in Wickham, Hampshire on New Year's Day, he was the third son of John Carpenter Garnier and Hon. Mary Louisa Trefusis, daughter of Charles Trefusis, 19th Baron Clinton. His eldest brother, John Trefusis Carpentier-Garnier, was killed in action in the First World War. He was educated at Winchester and Oriel College, Oxford and ordained in 1905. His career began with curacies at St Thomas, Portman Square and All Saints, Margaret Street. Following this he was Librarian of Pusey House, Oxford. From 1924 to 1938 he was Bishop of Colombo. He then returned to England to be Principal of St Boniface Missionary College, Warminster then Chaplain of Salisbury Diocesan Training College.
- "Obituary: Bishop Carpenter-Garnier". The Times. The Times Digital Archive. 15 October 1969. p. 12.
- 1911 England Census
- Burke, Sir Bernard, ed. (1939). Burke's Peerage, Baronetage & Knighthood (97th ed.). Burke's Peerage & Gentry. p. 594. ISBN 0-00-082331-7.
- The Chronicles of the Garniers of Hampshire during four centuries, 1530-1900. Garnier, A.E Norwich Jarrold & sons, 1900
- Who Was Who 1897–2007. London, A & C Black, 2007 ISBN 978-0-19-954087-7
- ”The Clergy List” London, Kelly’s, 1913
- Orford, Barry (2002). Piety and Learning: the Principals of Pusey House 1884-2002 : essays presented to The Revd Philip Ursell. Oxford: Pusey House. pp. 112–113.
- "Ecclesiastical News – New Bishop Of Colombo". The Times. The Times Digital Archive. 14 February 1924. p. 15.
- Mosley, Charles, ed. (2003). Burke's Peerage, Baronetage & Knighthood (107 ed.). Burke's Peerage & Gentry. pp. 1674–1675. ISBN 0-9711966-2-1.
|Church of England titles|
Ernest Arthur Copleston
| Bishop of Colombo
1924 – 1938
Cecil Douglas Horsley