Source: Per post by Allan Miller at 18th Battalion Facebook Group.
Find-A-Grave
Family Search: When Private Harold Edward Hodsdon was born on 23 July 1899, in Barnet, Hertfordshire, England, his father, Henry Hodsdon, was 25 and his mother, Flora Sheffield, was 24. He lived in Middlesex, England, United Kingdom in 1901.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 