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 |
|---|---|---|
| Vedderburn | 1 | 1588-9 (clarsho-) |
| Wedderberun | 1 | 1527 (castelward) |
| Wedirburn | 1 | 1505 (artilȝerie) |