The following information is taken from the Dictionary of the Older Scots Tongue, available online at http://www.dsl.ac.uk/index.html. This is a work in progress.
| Spelling | Number | Dates & headers |
|---|---|---|
| Dempster | 2 | 1446 (bailȝe); 1460 (bailȝe); 1516 (almosar) |
| Dempstar | 1 | 1565 (clesch) |