DUNN, Thomas, Canadian legislator, born in 1730 ; died in Quebec, 15 April 1818. As a senior member of the Executive council of Lower Canada he assumed the administration of the government on the departure of Sir R. S. Milnes in 1805, and again became administrator on the departure of Governor Craig, performing this function until the arrival of Sir George Prevost in 1811. During the time that he held office he permitted Monseigneur Panet to be elected to the coadjutorship, and both then and previously advocated a removal of the disabilities that the Roman Catholic clergy suffered. He was also a puisne judge of the court of king's bench, and a Lower Canadian seignior.

His son, William Dunn, British soldier, born in London, England, in 1787; died 24 July. 1863, entered the army in 1803, served in the campaign in Italy, at the battle of Maida and capture of Scylla Castle in 1806, in the expedition to Egypt in 1807, and the campaigns in the Peninsula in 1810 and 1811. He served in Canada in 1814 during the war with the United States and was present at the taking of Moose Island and the occupation of Castine. In 1857 he retired from active service with the rank of major general on full pay.