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 |
|---|---|---|
| Rothaes | 1 | 1516 (countes) |
| Rothas | 1 | 1507 (baroun) |
| Rothes | 1 | 1638 (condescend) |