- From: The Loyalists of Quebec, 1774-1825: a forgotten history.
- Born in Boston in 1754, he worked as a young member of the firm Richard Clarke and Sons, which was assigned the infamous shipments of tea protested during the 1773 Boston Tea Party. His family and home faced severe harassment from local Patriots (“Whigs”) who broke windows and targeted their property. He left Boston in December 1775 as hostilities escalated, initially seeking refuge in London. He relocated to Canada and was eventually appointed Deputy Commissary-General at Montreal in 1812, serving closely with the British military command during the War of 1812. In March 1776, he and his brother were appointed Assistant Commissaries of the British Army in Quebec. (A.O. 13/97.) These two loyalists were the sons of Richard Clarke (q.v.). Isaac Winslow Clarke’s wife, Anne, daughter of John Powell (q.v.) wrote an account of a journey from Detroit to Montreal in 1789; she died in 1792. He died, July 7, 1822, at Cape Chat in the Gulf of St. Lawrence, aged 77, and was buried with military honours in the Protestant Burial Ground at Montreal.
- Loyalist in Loyalist Directory: https://uelac.ca/loyalist-directory/detail/?wpda_search_column_id=15887
- Find A GRAVE: https://www.findagrave.com/memorial/170657403/isaac-winslow-clarke
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