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 |
|---|---|---|
| Jameson | 3 | 1513 (cast); 1527 (chalice); 1536 (borowgang) |
| Jamson | 2 | 1456 (bud, cors-kyrk) |
| Iamesone | 1 | 1634 (cote-) |
| Iamisoune | 1 | 1515 (cessionar) |
| Jamesone | 1 | 1493 (cleuk) |
| Jamesoun | 1 | 1611 (analy) |