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 |
|---|---|---|
| Montros | 6 | 1493 (cro); 1494-5 (complice); 1501 (brokin-bakkit); 1513 (coket); 1604 (chancelour); 1639 (cousing) |
| Montrose | 3 | 1492 (crove); 1500 (cosinace); 1645 (canniness) |
| MOntrosse | 1 | 1491 (crue) |
| Muntrois | 1 | 1506 (charter) |