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 |
|---|---|---|
| Allane | 4 | 1561 (decan); 1606 (cultellar); 1612-3 (buke-); 1623 (brek) |
| Alan | 1 | 1485 (assedatioun) |
| Alane | 1 | 1491 (compt) |
| Allan | 1 | 1606 (cultellar) |