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| Captain Thomas Dubois | |
|---|---|
| Name | Captain Thomas Dubois |
| Birth date | 14 April 1792 |
| Birth place | Brest, France |
| Death date | 3 November 1864 |
| Death place | Kingston, Ontario |
| Allegiance | United Kingdom |
| Branch | Royal Navy |
| Serviceyears | 1806–1848 |
| Rank | Captain |
| Battles | Napoleonic Wars, War of 1812 |
| Awards | Order of the Bath, Naval General Service Medal |
Captain Thomas Dubois
Captain Thomas Dubois was a 19th-century Royal Navy officer whose service during the late Napoleonic Wars and the War of 1812 established him as a noted commander in North American and Caribbean waters. Born in Brest, France and later resident in Kingston, Ontario, Dubois combined experience in convoy protection, frigate actions, and anti-piracy patrols with administrative duties at HMS Excellent and the Admiralty. His career intersected with many leading figures and events of the age, linking him to operations alongside officers from the Channel Fleet, engagements near the Gulf of Mexico, and postwar naval reforms influenced by the Parliament of the United Kingdom.
Thomas Dubois was born in 1792 in Brest, France to Huguenot émigrés who had settled near the Port of Brest after the French Revolution. His father, François Dubois, had trained at the Guild of Shipwrights, Brest and later worked with dockyards servicing ships from the Royal Navy visiting the Breton coast. His mother, Anne-Marie Leclerc, came from a merchant family trading with Saint-Malo and Bordeaux. Educated in local grammar schools influenced by tutors from Oxford University visitors and apprenticed in seamanship under a retired warrant officer who had served with Admiral Lord Nelson’s contemporaries, Dubois entered naval service as a midshipman aboard a cutter attached to the Channel Fleet in 1806. Family connections included correspondence with cousins working in the Hudson's Bay Company and relations among the émigré communities of Nova Scotia and Quebec City.
Dubois's early commissions took him from the English Channel to the West Indies with postings in squadrons under commanders linked to the Cabo Verde Station and the Leeward Islands Station. He served aboard the frigate HMS Audacious during operations monitoring squadrons from the French Atlantic Fleet and later transferred to a 74-gun ship of the line engaged at convoy escort missions protecting ships bound for Lisbon and Cadiz. Promoted to lieutenant after actions related to the Peninsular War, he operated in coordination with transports supplying forces under Arthur Wellesley, 1st Duke of Wellington and maintained liaison with officers from the Royal Marines and the East India Company's marine detachments.
During the War of 1812, Dubois commanded smaller vessels conducting coastal operations off the Atlantic Coast of the United States, cooperating with squadrons under admirals tasked to blockade American ports such as New York City and Norfolk, Virginia. He later received a post on the Jamaica Station, working alongside anti-slavery patrols linked to directives from the Foreign Office and the Parliament of the United Kingdom, coordinating actions with agents of the British and Foreign Anti-Slavery Society and colonial governors in Barbados and Trinidad.
After the conclusion of major hostilities, Dubois undertook shore appointments at training establishments that reported to the Admiralty. He contributed to gunnery instruction protocols derived from manuals circulated by HMS Excellent and served on boards evaluating steam propulsion trials involving engineers associated with Isambard Kingdom Brunel and interests within the Royal Society. He retired from active sea command with the rank of Captain in 1848 following reforms influenced by debates in the House of Commons over naval budgeting and the future of the fleet.
Dubois's record highlights a series of coastal skirmishes, frigate chases, and anti-piracy sweeps. He led a prize capture off the entrance to Bermuda that disrupted privateer operations originating near New Providence and coordinated with captains from the Channel Fleet during a convoy action near Cape Finisterre. His command of a brig-sloop during the War of 1812 engaged in a night action impacting supply lines to Fort McHenry and necessitated exchanges with officers from the Royal Artillery stationed in the area.
In the Caribbean, Dubois directed patrols that intercepted slavers in coordination with commanders from the West Africa Squadron and colonial officials in Curaçao and Havana. He also served briefly as acting captain of a frigate tasked with safeguarding merchant traffic to Bermuda and the Azores, engaging with merchants represented by the Baltimore shipping interests and diplomatic agents from the United States Department of State during tense postwar negotiations.
For his long service and specific actions, Dubois was invested in the Order of the Bath and later inscribed on rolls receiving the Naval General Service Medal for campaigns spanning the Napoleonic Wars and the War of 1812. He received commendations from senior admirals in dispatches sent to the Admiralty and letters of thanks from colonial governors in Jamaica and Barbados. His contributions to gunnery instruction earned recognition in papers circulated among officers attached to HMS Excellent and citations discussed in sessions of the Royal United Services Institute.
Dubois married Margaret Sinclair, daughter of a Scottish merchant family connected to Glasgow shipping, and their descendants included officers and civil servants in Canada West and officials in the Colonial Office. Retiring to Kingston, Ontario, he engaged with civic institutions such as the local militia and the Kingston General Hospital board, befriending veterans who had served under figures like Sir James Yeo and corresponding with naval reformers in London. His diaries and logbooks—cited by historians of the Royal Navy and of the War of 1812—remain in private collections and archives consulted by scholars familiar with papers from the Public Record Office and the Library and Archives Canada. Dubois's career is commemorated in regimental histories and in plaques in Kingston Harbour referencing the maritime ties between North America and the United Kingdom in the 19th century.
Category:1792 births Category:1864 deaths Category:Royal Navy officers