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 |
|---|---|---|
| Acheson | 3 | 1584 (coket, conform); 1650 (cleanse) |
| Achesone | 1 | 1610 (boull) |
| Achesoun | 1 | 1564 (cunȝeour) |
| Achisone | 1 | 1496 (car-sadil) |