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 |
|---|---|---|
| Bisset | 2 | 1505 (borch, borowis) |
| Bissat | 1 | 1548 (bagcheke) |