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 | 
|---|---|---|
| Sanct Johnestoun | 3 | 1502 (brig-end, club); 1575 (assemblé) | 
| Sanct Ihonistoun | 1 | 1496 (cessioun) | 
| Sanct Iohnstoun | 1 | 1561 (charterhous) | 
| Sanct Johnstoun | 1 | 1513 (cowbriging) | 
| St. Jhonestoun | 1 | 1584 (brek) |