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 |
|---|---|---|
| Moffat | 2 | 1562 (ansenȝe); 1564 (athe) |
| Moffet | 1 | 1474 (bordourar) |
| Muffett | 1 | 1631 (bannok) |