He was born on 23 February 1856 into an ennobled family: his father was Canon Sir John Leigh Hoskyns, 9th Bart. He was educated at Bradfield, Haileybury and Jesus College, Cambridge, where he graduated BA in 1878. He rowed in the 1877 Boat Race, notable for being the only dead heat in the race's history.
He was ordained in 1880 and was Curate of St Mary's, Southampton until 1888. He was then Vicar of St Denys in the same city until 1895, and also Chaplain to the 2nd Volunteer Battalion, Hampshire Regiment. After this he was a Canon Residentiary at Truro Cathedral and Diocesan Missioner  until February 1902, when he was appointed Vicar of Brighton (and Chaplain to the 1st Sussex. Royal Garrison Artillery Volunteers). He was then Archdeacon of Hastings from 1915 until 1920. He was Archdeacon of Chichester from 1920 to 1934 and a Residentiary Canon at its cathedral. He died on 11 September 1935.
- National Archives
- "Who was Who" 1897–2007 London, A & C Black, 2007 ISBN 978-0-19-954087-7
- "Hoskyns, Benedict George (HSKS874BG)". A Cambridge Alumni Database. University of Cambridge.
- UNIVERSITY INTELLIGENCE . The Leeds Mercury (Leeds, England), Saturday, 11 June 1887; Issue 15343
- "The Clergy List, Clerical Guide and Ecclesiastical Directory" London, Hamilton & Co 1889
- SOUTHAMPTON NEWS .The Hampshire Advertiser (Southampton, England), Saturday, 28 January 1893; pg. 8; Issue 4866. 19th Century British Library Newspapers: Part II.
- The Times, Tuesday, 17 September 1895; pg. 10; Issue 34684; col G Ecclesiastical intelligence
- ECCLESIASTICAL APPOINTMENTS .The Standard (London, England), Friday, 20 September 1895; pg. 6; Issue 22221. 19th Century British Library Newspapers: Part II.
- "Ecclesiastical intelligence" The Times (London). Friday, 21 February 1902. (36697), p. 6.
- London Gazette
- Death Of The Rev. B. G. Hoskyns The Times Friday, 13 September 1935; pg. 14; Issue 47168; col D
- The Times, Tuesday, 27 November 1979; pg. 2; Issue 60485; col F Inquiry into leak of Cabinet papers
|Church of England titles|
Theodore Townson Churton
|Archdeacon of Hastings
1915 – 1920
Arthur William Upcott
Herbert Edward Jones
|Archdeacon of Chichester
1920 – 1934
Charles Philip Stewart Clarke