Source: SS Caronia Passenger Manifest. 1919.
Family Search: When Private Henry Johnson was born on 24 May 1899, in Furneux Pelham, Hertfordshire, England, United Kingdom, his father, Thomas Johnson, was 40 and his mother, Mary Jane Woollard, was 32. He married Alice Mary Neville on 6 December 1919, in Millbrook, Durham, Ontario, Canada. They were the parents of at least 1 son and 1 daughter. He immigrated to Canada in 1913 and lived in Hertfordshire, England, United Kingdom in 1901 and Galt, Waterloo, Ontario, Canada in 1923. He registered for military service in 1916. In 1916, at the age of 17, his occupation is listed as farmer. He died on 5 September 1971, in Kitchener, Waterloo, Ontario, Canada, at the age of 72, and was buried in Blair Cemetery, Blair, Waterloo, Ontario, Canada.
Enlisted at Galt, on March 19, 1916, with the 111th Battalion.
He was born in England and his next of kin is Mrs. Jane Johnson, Essex, England.
This man served with the 18th Battalion seeing combat during World War 1.
Arriving in England aboard the SS Tuscania on 6 October 1916, he served in England until he was transferred to the 18th Battalion for active combat duty.
His transfer took effect on 18 August 1918 and he arrived with the 18th Battalion “in the field” on 28 August 1918.
He served with the 18th Battalion until he demobilized in London, Ontario on 24 May 1919.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 