Where does “Dobbyn” come from?

Dobbyn (English) comes from English Dobbin, from English Dobb, from English Robert, from Anglo-Norman Robert.

Ancestry of “Dobbyn”, step by step

StepLanguageWordMeaning
1EnglishDobbinA pet name given to workhorses, and by extension, a placeholder name used for any workhorse, much like John Q. Public and other such placeholders are used for people
2EnglishDobb—
3EnglishRobert—
4Anglo-NormanRobert—
Every word from Anglo-Norman Robert →Every word from English Robert →Every word from English Dobb →