| Full name: | Robert Thomson Neilson |
| Born: | 17th November 1878, Thankerton House, Bothwell, Lanarkshire, Scotland |
| Died: | 16th July 1945, Clyde Villa, Prestwick, Ayrshire, Scotland |
| Education: | Merchiston Castle School; Glasgow University |
| Occupation: | Civil Engineer |
| Other Sports: | Rugby for West of Scotland FC (6 appearances for Scotland 1898-1900) |
| Biography: | President of Scottish Rugby Union 1923-24 |
| Teams: | Merchiston Castle School (Miscellaneous: 1895) |
| Lists of matches and more detailed statistics | |