Where does “Edmondson” come from?

Edmondson is an English patronymic surname derived from the given name Edmond, which comes from Old English Eadmund, composed of the elements ead meaning "wealth" and mund meaning "protector."

Ancestry of “Edmondson”, step by step

Edmondson traces back through two separate lines of ancestry.

via English Sơn

StepLanguageWordMeaning
1EnglishSơn
2Middle Englishsoneson; soon; Alternative form of sonne
3Old Englishsōnaimmediately, at once
4Proto-West Germanicsān(ō)immediately
5Proto-Germanicsēna
6Proto-Germanic*sa
7Proto-Austronesian*əsa
8Proto-Oceanic*isa

via English Edmond

StepLanguageWordMeaning
1EnglishEdmonda French style variant of Edmund
Every word from Proto-Oceanic *isa