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 |
|---|---|---|
| Simon | 4 | 1362 (bowmaker); 1364 (bard); 1442 (chese); 1506 (buklar) |
| Sym | 3 | 1456 (aly, ane, borch) |
| Symon | 2 | 1495 (cast); 1550 (brostar) |