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 |
|---|---|---|
| Hackat | 1 | 1590 (commissionar) |
| Hacquett | 1 | 1586 (conservatour) |
| Hakat | 1 | 1534 (catale) |
| Hakket | 1 | 1480 (constabil) |