Baker is of English origin. From Middle English bakere, Old English baecere, a derivation of bacan meaning 'to bake'. It was an occupational name most likely used for someone in the Middle Ages whose specific task was to bake bread. Source: Genealogy.familyeducation.com
It comes from Latin. It is a very old name. In fact my last name is Baker. I am 57. It has been around since 1546. Wow right? Well there is your anwser. Want to know more? Just contact me. I'm always here!
I know a familiy who named baker as lastname and they are from irak.
I was told it comes from what my family was best at way back when. I'm not sure if that's correct but it sure seems like it from my families cooking.