Source: Not sure of source. Linked LAC page and confirmed he served with the 18th.
Family Search: When Private Otto Wray Lymburner was born on 24 February 1897, in Lincoln, Niagara, Ontario, Canada, his father, Matthais Elmer Lymburner, was 31 and his mother, Mary Emily Vaughan, was 32. He married Elizabeth Anne Argo Moir on 10 November 1923, in Hamilton, Hamilton-Wentworth, Ontario, Canada. He lived in Huron, Ontario, Canada in 1911 and Wroxeter, Huron, Ontario, Canada in 1921. He registered for military service in 1916. In 1916, at the age of 19, his occupation is listed as jeweller in Goderich, Huron, Ontario, Canada. He died on 14 January 1963, in Toronto, Ontario, Canada, at the age of 65, and was buried in Tillsonburg Cemetery, Tillsonburg, Oxford, Ontario, Canada.
“Otto Lymburner’s name appears on the cenotaph in Vienna. He was born on February 24, 1897 in Louth Township (Jordan Station), Lincoln County, the son of Mathias C. Lymburner & Mary Emily Vaughan. Mathias was a native of Gainsborough Township, Lincoln County, the son of Alexander & Nancy Ann Lymburner. He was a farmer and was married in Gainsborough on October 14, 1885 to Mary Emily Vaughan, also of Gainsborough, the daughter of Edmund & Mary Vaughan.
The family moved to Goderich between 1901 and 1911 where they were living when Otto enlisted for service there on February 7, 1916. He was a jeweller and not married. Otto returned from overseas on June 16, 1919, arriving in Halifax. By 1923 he was living in Tillsonburg working as a shoemaker, when he was married on November 10, 1923 in Hamilton to Elizabeth Anne Argo Moir (1900-1925), of Tillsonburg, the daughter of Alexander Argo Moir & Elizabeth Duncan.
Otto was remarried to Kathleen Winnifred Bush (1907-1987). Otto died on January 14, 1963 in Toronto, and is buried with his wives in Tillsonburg cemetery. His obituary appeared in the Tillsonburg News, January 17, 1963.”
OTTO W. LYMBURNER
A former resident here, Otto W. Lymburner of Toronto, passed away Monday at Toronto Western Hospital in his 66th year. Deceased was a former resident of London.
Surviving are his wife, the former Kathleen Bush; one son, Edward W. Lymburner of Sarnia; two daughters, Mrs. George (Marguerite) Scott of Sarnia, and Mrs. Milton (Shirley) Fleming of Sudbury; three sisters, Mrs. Charles (Minnie) Burwell of Tillsonburg; Mrs. F. D. (Marguerite) Kyte, Sr., of RR 5 Tillsonburg; and Mrs. W. J. (Countess) Barker of Toronto; and five grandchildren.
Resting at the G. A. Barrie Funeral Home where service will be conducted in the chapel today (Thursday) at 2 p.m. by Rev. R. D. MacDonald of St. Andrew’s Presbyterian Church. Interment will be in Tillsonburg cemetery.”
History of the 18th Battalion CEF, "The Fighting Eighteenth" 