| Full name: | Harold James Sinclair |
| Born: | 16th November 1907, Brechin, Angus, Scotland |
| Died: | 14th February 1985, Surrey, England |
| Education: | Merchiston Castle School |
| Occupation: | Stockbroker in Kuala Lumpur |
| Other Sports: | Rugby |
| Teams: | Merchiston Castle School (Miscellaneous: 1922) |
| Lists of matches and more detailed statistics | |