Släkthistoria för Joynson
Joynson Vad efternamn betyder
variant of Johnson. This form of the name in which original /o/ has been lengthened and diphthongized before /n/ reflects a dialectal development found in post-medieval Cheshire and in some other counties. The name was freely interchangeable with Jenson and Jeynson (which shows a parallel change in the vowel).
Källa: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
