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 |
|---|---|---|
| Somerwell | 4 | 1523 (borowis); 1530 (daner); a1542 (behalve); 1561 (bounteth) |
| Somervell | 1 | 1644 (chancelar) |
| Symervell | 1 | 1564 (amet) |
| Symmervaill | 1 | 1541 (attornay) |