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 | 
|---|---|---|
| Mathow | 6 | 1472 (celdr); 1575 (closer); 1587-8 (candilmes); 1635 (battaling, care, clene) | 
| Matho | 3 | 1471 (complet); 1501 (boras); 1506 (crowat) | 
| Matheu | 1 | 1402 (bischop) | 
| Mathew | 1 | 1609 (deburs) | 
| Matthew | 1 | 1606 (bruke) |