| Regimental number | 42123 |
| Date of birth | |
| Place of birth | Auckland |
| Religion | Free thinker |
| Occupation | Carpenter |
| Marital status | Single |
| Age at embarkation | 22 |
| Height | 5' 8" |
| Weight | 155 lbs |
| Next of kin | Father, William Keymer, 92 Grange Road, Mount Eden, Auckland |
| Previous military service | Served in Coastal Defence unit; still serving at time of NZEF enlistment. |
| Enlistment date | |
| Place of enlistment | Hamilton |
| Rank on embarkation | Corporal |
| Unit name | New Zealand Rifle Brigade Reinforcements, April 1917, H Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 82 Pakeha on |
| Original embarkation, 14 April 1917; troops disembarked, 18 April 1917; left New Zealand, 26 April 1917. | |
| Final rank | Rifleman |
| Final unit | 4th Battalion, New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Age at death from cemetery records | 23 |
| Place of burial | No known grave |
| Commemoration details | Tyne Cot Memorial (New Zealand Apse, Panel 7), Tyne Cot Cemetery, Belgium |
| Miscellaneous information from cemetery records | Parents: William and M Elizabeth Keymer, 69 Wood Street, Ponsonby, Auckland (both born London, England) |
| Other details |
War service: Western Front Embarked Wellington, 14 April 1917; returned to Wellington, 17 April 1917; re-embarked, 26 April 1917; disembarked Sydney, Australia, 2 May 1917; re-embarked, 9 May 1917; disembarked, Devonport, England, 28 June 1917. Marched into Sling Camp, 28 July 1917, and reverted to Lance Corporal. Proceeded overseas to France, 14 September 1917; joined 4th Bn, NZ Rifle Brigade, in the field, 8 October 1917, and posted to B Company. Relinquished appointment of Lance Corporal at own request, 9 October 1917. Killed in action, 12 October 1917. Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 60, p. 17 Archives New Zealand (Wellington), Agency AABK, Series 18805, File 18056848 |