Where does “Osborn” come from?

Osborn is an English surname of uncertain origin and meaning.

Ancestry of “Osborn”, step by step

StepLanguageWordMeaning
1EnglishOsborneoccasionally transferred from the surname
2Old NorseÁsbjǫrn—
3Old NorseÁssa thick pole, main beam (in a house)
4Proto-Germanicastazbranch
5Proto-Indo-Europeanh₃ósdosbranch
Every word from Proto-Indo-European h₃ósdos →Every word from Proto-Germanic astaz →Every word from Old Norse Áss →
Osborn — Etymology, Origin & Word History | Etymology Explorer