Former Regimental Sergeants Major

1975-2025 56th Field Artillery Regiment, RCA
Chief Warrant Officer D.R. Shaughnessy MMM CD
Chief Warrant Officer P.D. Elliott MMM CD
Chief Warrant Officer J.W. McDonald CD
Chief Warrant Officer D. Russ CD
Chief Warrant Officer Jeffrey Wayne Gowanlock CD
Chief Warrant Officer Mark Pigeau CD

1960-1975 56th Field Artillery Regiment (Dufferin and Haldimand Rifles), RCA

1954-1960 56th Field Regiment (Dufferin and Haldimand Rifles), RCA

1946-1954 56th Light Anti-Aircraft Regiment (Dufferin and Haldimand Rifles), RCA

1945-1946 The Dufferin and Haldimand Rifles of Canada

1940-1945 2nd (Reserve) Battalion, The Dufferin and Haldimand Rifles of Canada

1936-1940 The Dufferin and Haldimand Rifles of Canada

1920-1936 The Haldimand Rifles

1900-1920 37th Regiment Haldimand Rifles

1866-1900 37th Haldimand Battalion of Rifles