Dr. Alfred Kensey Dewson was born on the 21st of January, 1812 in Wolverhampton, England. His father was Major Jeremiah Wilkes Dewson, a member of the British Army. His mother was the former Elizabeth Kensey. His parents were born and raised and married in Wolverhampton, England. Dr. Dewson was the eldest of 9 children and his siblings were: Elizabeth Dewson (born in 1813 in Wolverhampton, England), Charles Frederick Dewson (born in Wales in 1815), Mary Ann Dewson (born in Ireland in 1817), Andrew George Dewson (born in the West Indies in 1822), Julius Augustus Dewson (born in 1825 in Hubberston, Wales), Marcella Dewson (born in 1827 in Kingston, Ontario), Adelaide Dewson (born in 1831 in Quebec), James Thomas Dewson (born in Ontario in 1833). After his father retired from the 75th regiment of the British Army, he took up farming near Bradford, Ontario. His father died in 1852 and his mother died in 1880. They and some of Dr. Dewson’s siblings are buried at St John’s Anglican Church Cemetery in the community of Penville, (Simcoe County) Ontario.
Dr. Dewson apprenticed and assisted an army surgeon Dr. Barclay in Kingston for 5 years. In 1835, Dr. Dewson obtained his medical degree from Columbia College, New York. He set up his medical practice at 62 Yonge Street in Toronto in August of 1835. In 1837 he was the surgeon to the 2nd Battalion, Queen’s Light Infantry.
In 1839 he married Emily Baby. She was born in 1812 and they had 5 children. Adeline Dewson was born in 1843, Emily Augusta Dewson in 1845, Alfred “Fred” Dewson in 1847, Fannie Dewson in 1851 and William Dewson in 1852.
According to the Centennial Chronicle of Kent Doctors by Victor Lauriston and the Medical Men of Essex County by Dr. J. W. Brien, Dr. Dewson practiced medicine in Chatham.
Dr. Dewson practiced mainly in the Windsor area. Dr. Dewson helped to set up the local school system in Amherstburg. He was also instrumental in the planning of All Saints Church in Windsor. In 1854, Windsor had a population of 750 people and only 1 doctor, Dr. Alfred Dewson. During the cholera epidemic, he set up a cholera hospital in the Great West Storehouse at the corner of Moy Ave. and Riverside Drive.
According to the 1862 Great Western Railway Gazetteer and Business Directory, Dr. Dewson was a physician and the town treasurer. The Business Directory records his residence in Sandwich (Twp). On Page 76 of the 1866-1867 Essex County Directory and Gazetteer, Dr. Alfred K. Dewson advertised his medical practice and his residence located on Sandwich Street, Second Door East of McDougall Street.
Dr. Dewson died on the 25th of October, 1868 in Warwick, Ontario. Mrs. Emily Dewson died on the 14th of October, 1875 in Windsor, Ontario. They are buried at Windsor Grove Cemetery.