| Full name: | Ian Onslow Dennistoun |
| Born: | 29th April 1879, London, England |
| Died: | 22nd May 1938, London, England |
| Biography: | Second Lieutenant, 2nd Battalion, Grenadier Guards (1900-03); Lieutenant (1903-) |
| Teams: | 2nd Battalion Grenadier Guards (Miscellaneous: 1909) |
| Lists of matches and more detailed statistics | |