Fighting

The 221st battalion was recruited and mobilized in Winnipeg, Manitoba, with a strength of 23 officers and 596 other ranks. The battalion embarked from Halifax on 18 April, 1917, on the troop ship Ausonia, and disembarked in the UK on 29 April. 

The 220th battalion was recruited in York County, and mobilized in Toronto, Ontario, with a strength of 18 officers and 446 other ranks. The battalion embarked from Halifax on 29 April, 1917, on the troop ship Olympic, and disembarked in the UK on 7 May. 

The 219th battalion was recruited in western Nova Scotia, the Annapolis Valley and Halifax, and mobilized in Aldershot, Nova Scotia, with a strength of 33 officers and 1001 other ranks. The battalion embarked from Halifax on 13 October, 1916, on the troop ship Olympic, and disembarked in the UK on 19 October. 

The 218th battalion was recruited and mobilized in Edmonton, Alberta, with a strength of 27 officers and 621 other ranks. The first draft embarked from Halifax on 17 February, 1917, on the troop ship Southland, and disembarked in the UK on 27 February. The second draft embarked from Halifax on 4 March, 1917, on the troop ship Ausonia, and disembarked in the UK on 15 March. 

The 217th battalion was recruited in eastern Saskatchewan, and mobilized in Moosomin, Saskatchewan, with a strength of 24 officers and 634 other ranks. The battalion embarked from Halifax on 2 June, 1917, on the troop ship Olympic, and disembarked in the UK on 9 June. 

The 216th battalion was recruited in the Toronto district amongst men 5 feet to 5 feet 2 in height, and mobilized in Toronto, Ontario, with a strength of 30 officers and 793 other ranks. The battalion embarked from Halifax on 18 April, 1917, on the troop ship Scandinavian, and disembarked in the UK on 29 April. 

The 215th battalion was recruited in Brant, Norfolk and Haldimand counties, and mobilized in Brantford, Ontario, with a strength of 16 officers and 327 other ranks. The battalion embarked from Halifax on 29 April, 1917 on the troop ship Olympic, and disembarked in the UK on 7 May. 

The 214th battalion was recruited in the districts of Mackenzie and Humboldt, and mobilized in Wadena, Saskatchewan, with a strength of 20 officers and 595 other ranks. The battalion embarked from Halifax on 18 April, 1917, on the troop ship Grampian, and disembarked in the UK on 29 April.

The 213th battalion was recruited in Ontario, Quebec and Nova Scotia, and mobilized in St. Catharines, Ontario, with two drafts with a strength of 3 officers and 99 other ranks, and 2 officers and 85 other ranks. The first draft embarked from Halifax on 20 December, 1916 on the troop ship Olympic, and disembarked in the UK on 26 December. The second draft embarked from Halifax on 26 January, 1917, on the troop ship Grampian, and disembarked in the UK on 6 February.

The 212th battalion was recruited in Manitoba and mobilized Winnipeg, Manitoba. It was absorbed by the 97th battalion on 12 September, 1916.