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 | 
|---|---|---|
| Hammiltoun | 15 | 1491 (angus); 1540 (bote, chapel, croce); 1544 (chalmer mail); 1545 (cannabie); 1546 (clath); 1568 (bewraik); 1570 (conspiratour); 1589 (addres); 1591 (counsallschip, cusing); 1608 (chirurgian, deakin); 1627 (bere) | 
| Hamilton | 3 | 1611 (cure); 1622 (apothecar); 1636 (cousin) | 
| Hammyltoun | 3 | 1527 (assoverance); 1529 (countas); 1581 (chese) | 
| Hamiltoun | 2 | 1615 (cosin); 1624 (apothecar) | 
| Hammilton | 2 | 1531 (capitanry, conjunctioun) | 
| Hammiltoune | 2 | 1532 (agreance); 1602 (courschet) | 
| Hamiltone | 1 | 1597 (contract) | 
| Hamyltoun | 1 | 1607 (compere) |