The following information is taken from the Dictionary of the Older Scottish Tongue, available online at http://www.dsl.ac.uk/index.html. This is a work in progress.
| Spelling | Number | Dates & headers |
|---|---|---|
| Ruderford | 3 | 1548 (chanoun) |
| of Rutherford | 2 | 1412 (borch); 1433 (chamerlane) |
| Rutherfurd | 1 | 1624 (chirugeor) |