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 |
|---|---|---|
| Levenax | 5 | 1499 (coffing, cosing); 1506 (charter); 1543-4 (colleg); 1581 (chaplanry) |
| Lennox | 4 | 1530-1 (bailȝery, barounry); 1598 (brydal); 1638 (athort) |
| Lenox | 2 | 1515-6 (clos); 1564 (becaus) |
| Leuenax | 2 | 1491 (consail); 1529 (countas) |
| Lenax | 1 | 1526 (chefe) |
| Leuenox | 1 | 1591 (barratry) |
| Levinax | 1 | 1570 (autorising) |