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 |
|---|---|---|
| Merschell | 2 | 1542 (castel); 1563 (corn-) |
| Marschell | 1 | 1521 (compulsatour) |
| Mershell | 1 | 1575 (bak-sid) |