Family Search: Private Alexander Dempsey was born on 6 February 1881, in Glasgow, Lanarkshire, Scotland, United Kingdom as the son of William Dempsey and Mary O’Kane. He immigrated to Ellis Island, New York City, New York, United States in 1910. He registered for military service in 1914. In 1914, at the age of 33, his occupation is listed as labourer. He died on 25 March 1915, in London, Ontario, Canada, at the age of 34, and was buried in St. Peter’s Cemetery, London, Ontario, Canada.
Member of “A” Company.
Meningitis at London, Ont.
Spinal meningitis claimed its first victim among the troops in training here this afternoon when Private Alexander Dempsey, of A Company, 18th Battalion, succumbed to the dreaded disease at Victoria Hospital. Dempsey enlisted at Windsor. Every precaution is being taken to prevent the spread of the disease.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 