| Nickname |
Jack |
| Birth |
4 Aug 1872 |
Grahamstown, Eastern Cape, South Africa |
| Christened |
2 Sep 1872 |
Grahamstown Church (Presbyterian), Grahamstown, Eastern Cape, South Africa |
| Died |
28 Aug 1943 |
| Buried |
Grahamstown Cemetery (Old), Grahamstown, Eastern Cape, South Africa |
| |
| Father |
George Grey Locke, b. 6 May 1840, Grahamstown, Eastern Cape, South Africa |
| Mother |
Emily Margaret Green, b. 5 May 1846, Grahamstown, Eastern Cape, South Africa |
| |
| Family |
Olive Alice Brent, b. 20 Mar 1876, Newcastle, KwaZulu Natal, South Africa |
| Married |
25 Mar 1896 |
Newcastle, KwaZulu Natal, South Africa |
| Children |
| | 1. Lawrence Leonard B A Locke, b. 3 Apr 1897, Newcastle, Peddie, Eastern Cape, South Africa |
| | 2. Florence E Locke, b. 22 Jun 1898, Newcastle, Peddie, Eastern Cape, South Africa |
| | 3. John Edward Locke, b. Abt 7 Aug 1906 |
| | 4. John Graham B Locke, b. 3 Dec 1915 |
|
| |