The following information is taken from the Dictionary of the Older Scots Tongue, available online at http://www.dsl.ac.uk/index.html. This is a work in progress.
| Spelling | Number | Dates & headers |
|---|---|---|
| Greg | 2 | 1522 (cotar); 1566 (cummer) |
| Greig | 2 | 1577 (calland); 1622 (broche) |