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 | 
|---|---|---|
| McGillewe | 1 | 1557 (chep) | 
| McGillewye | 1 | 1567 (acclame) | 
| McGilliwe | 1 | 1557 (chep) |