| Regimental number | 12/2623 |
| Address | Jubilee Avenue, Devonport, Auckland |
| Marital status | Single |
| Next of kin | Father, Arthur Clintoff McArthur, c/o F M King Limited, 165 Albert Street, Auckland |
| Rank on embarkation | 2nd Lieutenant |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 6th Reinforcements, Auckland Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board Willochra on |
| Final rank | Captain |
| Final unit | 2nd Battalion, Auckland Infantry Regiment |
| Fate | Died of wounds |
| Age at death from cemetery records | 23 |
| Place of burial | Etaples Military Cemetery (Plot XXVIII, Row F, Grave No 1), France |
| Miscellaneous information from cemetery records | Parenst: Mr & Mrs A F McArthur, Auckland; Wife: Margot M McArthur, 'The Black Horse', Sheen Road, Richmond, Surrey, England |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Infantry Batln/Sixth |