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 |
|---|---|---|
| Purwes | 2 | 1554 (cordinar, craft) |
| Purves | 1 | 1529 (bellit) |