In 1886, he was appointed Professor of Divinity at Trinity College, Toronto and also served as parish priest of St Thomas's Toronto. He was then Professor of Theology at the General Theological Seminary, New York City  In 1912 he became the third Bishop of British Columbia and was translated to be the Bishop of Ottawa three years later, serving for 24 years - the last six as the Metropolitan of Ontario.
- The Times, 29 January 1940; p. 1, "Deaths"
- Biography for William Lennox Mills at the Dictionary of Canadian Biography Online
- Anglican Bishops of Canada
- "Who was Who" 1897-1990 London, A & C Black, 1991 ISBN 0-7136-3457-X
- "The Clergy List, Clerical Guide and Ecclesiastical Directory" London, Hamilton & Co 1889
- Church intercessions
- New York Times
- British Columbia Archival Union List Archived October 24, 2007, at the Wayback Machine
- "Hold fast to the incarnation: the life and times of John Charles Roper, second bishop of Ottawa" Bradley, W.H.: Ottawa, Anglican Diocese of Ottawa, 1990 ISBN 0-9694980-0-4
- "Anglican Diocese of Ottawa". Archived from the original on 2009-07-06. Retrieved 2009-07-29.
- Ecclesiastical News New Canadian Archbishop The Times Friday, Jan 27, 1933; pg. 15; Issue 46353; col E
|Anglican Communion titles|
| Bishop of British Columbia
| Bishop of Ottawa
| Metropolitan of Ontario
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