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 | 
|---|---|---|
| Natoun | 1 | 1577 (cum) | 
| Newton | 1 | c1390 (constabilry) | 
| Newtoun | 1 | 1509 (contentatioun) |