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 |
|---|---|---|
| Thornetoun | 2 | 1616 (bra, browstar) |
| Thornetown | 1 | c1550 (cowmoun) |