Thomas Hill Irvine, 1880-1970, was born in England and joined the Royal North-West Mounted Police (RNWMP) in 1908 at Calgary. He was promoted to corporal in 1912, sergeant in 1914, and sergeant-major in 1916. During his early service he was stationed in Calgary, Strathmore and Gleichen, Alberta. During First World War he served in the RNWMP cavalry in 1916 in France and Belgium as a lieutenant. He was demobilized in 1919 and commissioned an inspector. He was promoted to superintendent in 1933 and assistant commissioner in 1939. He transferred to Vancouver where he was in charge of the musical ride. He then transferred to Toronto in 1926, to Regina in 1927, to Port Arthur in 1931, to Edmonton in 1932, to Ottawa in 1933, and to Regina in 1937.