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 |
|---|---|---|
| Baillie | 2 | 1641 (archpreist); 1642 (brain-crakked) |
| Bailly | 1 | c1300 (baillie) |
| Baly | 1 | 1378 (baillie) |