Source: 116th Excel sheet by Mark Carmichael re. soldiers of 116th that served with the 18th Battalion.
Family Search: William Alderman Alexander was born on 31 July 1896, in Port Perry, Ontario, Ontario, Canada as the son of George Ryerson Alexander and Elizabeth Painton. He lived in Port Perry, Durham, Ontario, Canada in 1916. He registered for military service in 1916. In 1916, at the age of 20, his occupation is listed as clerk in Port Perry, Durham, Ontario, Canada. He died in 1922, in Ontario, Canada, at the age of 26, and was buried in Ontario Pinegrove Cemetery, Port Perry, Durham, Ontario, Canada.
Accidently wounded by Lewis Gun fire during training. The headstone has his middle name as “Derman”. Possibly the letters “A” is illegible.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 