He was born on 15 November 1863 and educated at Eton and King’s College, Cambridge. Ordained in 1890, his first post was as Curate of St Margaret’s, Nottingham, after which he was Domestic Chaplain to Archbishop Benson. Later he was Rector of St Martin’s and St Paul’s, Canterbury, Vicar of Ramsgate and then Archdeacon of Canterbury  before elevation to the Episcopate as Bishop of Ely. He died on New Year’s Eve, 1933 and was buried in Ely Cemetery.
He married (18 January 1897) the Hon. Margaret Adela Hepburn-Stuart-Forbes-Trefusis, daughter of Lord Clinton. She died 20 March 1939. Their son, Ian White-Thomson was Dean of Canterbury from 1963 until 1976.
- "Who was Who" 1897-1990 London, A & C Black, 1991 ISBN 0-7136-3457-X
- "White-Thomson, Leonard Jauncey (WHT883LJ)". A Cambridge Alumni Database. University of Cambridge.
- University Intelligence. Cambridge. Feb. 14 The Times Saturday, Feb 15, 1890; pg. 12; Issue 32936; col F
- The Times, Wednesday, May 27, 1891; pg. 3; Issue 33335; col C Ordinations Southwell
- "The Clergy List, Clerical Guide and Ecclesiastical Directory" London, John Phillips, 1900
- New Archdeacon Of Canterbury The Times Monday, Nov 04, 1918; pg. 5; Issue 41938; col A
- "Events of 1933-34". Archived from the original on 2012-06-30.
- Burke's Peerage, Baronetage and Knightage, 107th Edn, 2003: 'Clinton'.
|Church of England titles|
|Archdeacon of Canterbury
1918 – 1924
Thomas Karl Sopwith
Frederic Henry Chase
|Bishop of Ely
1924 – 1933
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