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 |
|---|---|---|
| Guthrie | 4 | 1565 (buist); 1581 (child); 1604 (amerciament); 1614 (barrikin) |
| Guthre | 2 | 1560 (clerk); 1584 (creat) |