| Name | John Theodore Winn |
| Rank | Lieut-Commander (E) |
| Regiment/Service | Royal Navy |
| Unit Text | H.M.S. Matabele |
| Age | 32 |
| Date of Death | 17 January 1942 |
| Additional Information | Husband of Mary Estella Winn (nee Barnes). M.I.Mech. E. |
| Grave/Memorial Reference | Panel 63, Column 1 |
| Cemetery | Plymouth Naval Memorial |
Source: Commonwealth Graves Commission