The following information is taken from the Dictionary of the Older Scots Tongue, available online at http://www.dsl.ac.uk/index.html. This is a work in progress.
| Spelling | Number | Dates & headers |
|---|---|---|
| Neill | 4 | 1488 (awfald); 1508 (assisthment); 1560 (branch); 1608 (brother) |
| Neil | 1 | 1628 (dammis) |