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 |
|---|---|---|
| McFinlay | 1 | 1594 (cuntra) |
| Mc Fynlay | 1 | 1495 (chaplan) |
| McFynlay | 1 | 1495 (college kirk) |