1) Someone who makes, repairs and fits locks; a widely distributed craft represented in all major towns in medieval Yorkshire and in some of the villages.
In 1379, Johannes Loksmyth of Sheffield paid 6d poll tax and since no occupation was listed we can be sure from his by-name that he was a smith who specialised in making locks. The by-name continued to be recorded int the sixteenth century: 1421 in seruris, clavibus, hespes, stapels, jonetors ... factis per Henricum Loksmyth, York
1454 Et Thome Loksmyth pro reparacione et emendacione diversarum cathenarum portarum cerarum et clavium, York
1513 John Loksmyth, loksmyth, York. Nicholas Awbraye of Wyke near Bradford was an illiterate locksmith who used a key as his mark in 1583.