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 |
|---|---|---|
| Argyle | 6 | 1488 (commissioun); 1582 (chancelar); 1584 (chanceler); 1596 (contractar); 1623 (bak); 1631 (coinȝie) |
| Ergyle | 3 | 1470 (constitute, countes); 1582 (chancelar) |
| Argyll | 1 | 1615 (assemblé) |
| Ergile | 1 | 1501 (child) |
| Ergille | 1 | 1492 (cosing) |
| Erguile | 1 | 1484 (chanceler) |