2nd (Central Ontario) Battalion
1st Canadian Division

David Watson was the first 2nd Battalion CO, from September 1914 to August 1915, when he was promoted to command the 5th Infantry Brigade.

Albert E. Swift commanded the 2nd Battalion until November 1916, about when he learned that his wife had been killed by runaway horses in Quebec. Swift was appointed to command the 14th Infantry Brigade.

Wilton Yates briefly command the 2nd Battalion until December 1916. While on a training course, Yates suffered severe head injuries when he was in an accident with an overturned bus.

Robert Percy Clark transferred to the 2nd from command of the 14th Battalion. He relinquished command in May 1917.

Lorne McLaughlin commanded the 2nd Battalion from May 1917 until 30 August 1918, when he suffered a gunshot wound to the leg. He resumed command from October until the end of the war.

Roscoe Vanderwater temporary took over the 2nd when McLaughlin was wounded for the month of September 1918.