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 |
|---|---|---|
| Fyff | 3 | 1532 (chalmerlanry, commissionar); 1641 (chalmerlane) |
| Fyfe | 2 | 1488 (beȝond); 1585 (conventioun) |
| Fiffe | 1 | 1526 (constabulary) |
| Fyf | 1 | 1389 (chamberlane) |
| Fyffe | 1 | 1594 (conjunct) |