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 |
|---|---|---|
| Balfour | 10 | 1474 (bent, chalmer); 1476 (again-); 1495 (ale-); 1516 (countes); 1571-2 (allanerly); 1574 (clerk-play); 1575 (coronal); 1591 (commoner); 1592 (crounar) |
| Balfoure | 5 | 1473 (coft); 1474 (chape); 1516 (bludewite); 1559 (contrawardane); 1562 (calsowmis) |
| Balfoir | 1 | 1595 (decourt) |
| of Balfour | 1 | 1490 (chancelar) |