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 | 
|---|---|---|
| Jhonestoun | 3 | 1557 (chandelar); 1591 (cart); 1595 (collectorie) | 
| Iohnestoun | 2 | 1600 (charge); 1620 (clok) | 
| Ihonistoun | 1 | 1560 (companȝeon) | 
| Ihonstoune | 1 | 1636 (cusing) | 
| Ionstoune | 1 | 1647 (channel) | 
| Jhonstone | 1 | 1612-3 (cordenar) | 
| Johnestoun | 1 | 1582 (croft) | 
| Johnstoun | 1 | 1636 (crepill) |