Career
After the war, he was appointed as Lieutenant-Governor of New Brunswick, and supervised the resettlement of Loyalists from the United States in the province. He held this position until his death. As part of a military family, Thomas joined the British Army at a young age.
In 1753, he was an ensign in the 20th Regiment of Foot and saw action with his regiment during the Seven Years" War.
After the conclusion of the Seven Years" War, Thomas Carleton served as an observer during the Russo-Turkish War of 1768–1774. With the death of Lieutenant
Colonel Patrick Gordon on July 25, 1776, Colonel
Carleton was promoted to command the 29th Regiment of Foot. Colonel Thomas Carleton did not get along well with his new commander, Frederick Haldimand, who replaced Guy Carleton in 1778 as Governor General of Canada, serving until 1786.
Thomas Carleton returned to England. In 1786, with his brother"s recommendation, Colonel
Thomas Carleton was appointed as the first Lieutenant-Governor of New Brunswick.
Here, he helped to re-settle the many Loyalists leaving the United States. Carleton would serve as Governor of New Brunswick until his death on February 2, 1817. In 1803 he departed for England and administered from there, as he never returned to the province.
Mount Carleton, the tallest mountain in New Brunswick, is named for him.
