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 |
|---|---|---|
| Mathew | 2 | 1588 (as); 1615 (crave) |
| Matheu | 1 | 1441 (alderman) |
| Mathow | 1 | 1614 (adreich) |