Six Canadian Expeditionary Force (CEF) battalions of the First World War are perpetuated by The Queen’s Own Rifles. All were commanded by QOR Officers however only the 3rd Battalion saw active service and the rest were disbanded in England to provide reinforcements to front line battalions including the 3rd.
- 3rd Battalion, Toronto Regiment, CEF
- 83rd Battalion (Queen’s Own Rifles) CEF
- 95th Battalion CEF
- 166th Battalion QOR CEF
- 198th Overseas Battalion, Canadian Buffs CEF
- 255th Battalion (QOR) CEF
In addition, to the perpetuated battalions, the QOR contributed significant numbers of soldiers to several other battalions:
| Unit | Officer | Other Ranks |
| 19th Battalion | 7 | 251 |
| 35th Battalion | 15 | 422 |
| 58th Battalion | 3 | 210 |
| 74th Battalion | 8 | 365 |
| 81st Battalion | 6 | 295 |
| 123rd Battalion | 2 | 227 |
| 215th Battalion | 3 | 49 |
In addition to the above, 938 members of the regiment volunteered for other units in the Canadian Expeditionary Force including the Royal Air Force (originally the Royal Flying Corps), Canadian Field Artillery, Canadian Railway Troops, Army Service Corps, and Army Medical Corps. At least three served in the Canadian Navy including Lieutenant Commander S.W. Salmon, R.N.V.R.
The Queen's Own Rifles of Canada Regimental Museum and Archive 