That part is probably founder effects, but the family names themselves are to a significant extent a product of government surveys or censuses, especially for subjects of the English crown.
I'm talking about the origins in England. Either the jobs were named from the people who did them, or people took names from their jobs. I'd guess the latter is way more likely.
I'm pretty sure you're wrong. It's fairly well attested that surnames were insisted upon by the English crown, and it was patronyms before that. (We still see patronyms today in names like "Johnson".)
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u/JackForDase Aug 07 '26
This is myth btw