Source: Service record of Pte. Lickiss reg. no. 400731.
From the Find-A-Grave page:
PATTISON, William J. (William James). British Army.
William Pattison was born in Dover, England on March 25, 1879, according to his Great War attestation paper. His service in the British army’s Rifle Brigade included two years in South Africa and two years in Malta. He came to Canada in 1905. William James Pattison and Esther Ann Barnard were married in St. Thomas in April, 1907. She was from Sheffield, England and came to Canada and to St. Thomas in 1904. They had one child, a son born in July, 1909. William Pattison worked as a railway labourer. In the Great War, he volunteered in October, 1914 and served overseas as a sergeant in the 18th Battalion, C. E. F. After the war, William Pattison worked as a railroad labourer and as a carman for the New York Central Railroad. He retired in 1930 due to ill health. His wife died in 1950. He died aged 78 years in September, 1958, after a long illness and a lengthy stay in hospital. He was survived by one son. Members of the 18th Battalion attended his funeral. The Canadian Legion conducted a graveside service.
St. Thomas Evening Journal: April 3, 1907, p. 5, c3. Married – William James Pattison to Esther Ann Barnard. https://sites.google.com/view/elgincountybranchogs/newspaper-indexes/sttj-1900-1909/stej-1907-mar-apr
Library and Archives Canada, 1911 Census of Canada, https://central.bac-lac.gc.ca/.item/?app=Census1911&op=&img&id=e001984351
Library and Archives Canada, Military personnel record (Great War),William Pattison [53645], https://www.bac-lac.gc.ca/eng/discover/military-heritage/first-world-war/personnel-records/Pages/item.aspx?IdNumber=569959. The Elgin County Book of Remembrance records his service in the Great War. https://inmagic.elgin.ca/ask/permalink/9647/
The Aylmer Express: August 16, 1917, p. 6. An article about the 18th Battalion in which Police Sergeant W. Pattison is mentioned. Canadiana, https://www.canadiana.ca/view/oocihm.N_00221_191607/580?r=0&s=4
Library and Archives Canada, 1921 Census of Canada, https://central.bac-lac.gc.ca/.item/?app=Census1921&op=img&id=e002921488
St. Thomas Times-Journal: July 31, 1950, p. 7, c6. Died – Esther A. Pattison, July 30, age 65. July 31, 1950, p. 12, c6. Died – Esther A. Pattison. August 2, 1950, p. 6, c2. Funeral – Esther Pattison. https://sites.google.com/site/elginbranchogs/Home/elgin-newspaper-indexes/sttj-1950-1959/sttj-1950-july-sept
St. Thomas Times-Journal: September 15, 1958, p. 7, c2. Died – William J. Pattison, 78 years, Sept. 13, widower of Mrs. Esther Ann Pattison; father of Russell H. Pattison. September 15, 1958, p. 7, c8. Died – William J. Pattison, 78 years, Sept 13. September 17, 1958, p. 7, c.5. Funeral – William J. Pattison, Sept. 16. https://sites.google.com/view/elgincountybranchogs/newspaper-indexes/sttj-1950-1959/sttj-1958-sep-oct
South Park Cemetery – St. Thomas. PATTISON – St. Thomas Times-Journal: 15 September 1958, p. 7, c2. – Died – William J. PATTISON, 78 years, Sept. 13, veteran of Boer War and WWI; widower of Mrs. Esther Ann PATTISON; father of Russell H. PATTISON. Funeral, September 16 to South Park Cemetery. No monument found – CVH December 2013. https://sites.google.com/site/elginbranchogs/Home/st-thomas-cemeteries/st-thomas—south-park William James Pattison and Esther Ann Pattison are buried at South Park Cemetery, St. Thomas, at locations A-28-01 and A-28-02. There are no grave markings. https://stthomascemetery.com/location-search/?search=Pattison
War Diary of the 18th Battalion CEF 