| 1866: | 39th “Norfolk Battalion of Rifles” │ |
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| 1900: | 39th Regiment “Norfolk Rifles” |
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| 1920: | 1st Battalion (133rd Battalion, CEF), |
2nd Battalion, |
| The Norfolk Rifles | ||
| [Non Permanent Active Militia] │ |
[Reserve] │ |
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| 1928: | The Norfolk Regiment of Canada | |
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| 1936: | 25th (Norfolk) Field Brigade, Royal Canadian Artilley |
disbanded |
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| 1940: | 25th Reserve (Norfolk) Field Brigade, Royal Canadian Artilley │ │ |
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| 1942: | 25th Reserve (Norfolk) Field Regiment, Royal Canadian Artilley │ |
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| 1946: | 25th Medium Regiment (Norfolk Regiment), Royal Canadian Artilley │ |
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| 1954: | merged into 56th Field Regment (Dufferin and Haldimand Rifles), Royal Canadian Artillery |
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| Overseas battalion of the Canadian Expeditionary Force perpetuated by 56th Field Artillery Regiment |
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| 133rd Battalion (Norfolk’s Own) |
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