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 | 
|---|---|---|
| Fraser | 4 | 1581 (cobill, corfhous); 1597 (begin); 1644 (add) | 
| Fraysser | 2 | 1576 (collusioun); 1585 (contene) | 
| Frasser | 1 | 1438 (crus) | 
| Frayser | 1 | 1576 (collude) | 
| Freser | 1 | 1577 (dansar) |