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 |
|---|---|---|
| Katrine | 5 | 1491 (angus); 1495 (angus); 1507 (brostar); 1521 (cattill); 1522 (dawerk); 1550 (contract) |
| Katherene | 4 | 1572 (comptes); 1584 (broder); 1597 (busk); 1612 (bulwerk) |
| Catheryne | 2 | 1560 (complet); 1565 (brankis) |
| Katherein | 2 | 1581 (caming); 1631 (curch) |
| Katherin | 2 | 1597 (curn); 1621 (brother dochter) |
| Katherine | 2 | 1545 (borch); 1597 (command) |
| Katheryne | 2 | 1542 (betwix, broder) |
| Katryne | 2 | 1530 (commoun); 1582 (banis) |
| Catheren | 1 | 1597 (crepe) |
| Katerine | 1 | 1540 (breking) |
| Kathareine | 1 | 1622 (bounteth) |
| Katharne | 1 | 1581 (bounteth) |
| Katheran | 1 | 1597 (cog) |
| Katheren | 1 | 1612 (braig) |
| Kathering | 1 | 1611 (damisel) |
| Kathrene | 1 | 1560 (cognosce) |
| Katrein | 1 | 1618 (companying) |
| Katrene | 1 | 1596 (courchay) |
| Katrin | 1 | 1471 (complet) |
| Katryn | 1 | 1460 (compere) |