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 |
|---|---|---|
| Spens | 5 | 1478 (borch); 1518 (dative); 1541-2 (alther); 1557-8 (baillie); 1599 (dagmaker) |
| Spence | 2 | 1556 (consult); 1557 (cutting) |