I lived in St. Louis for 6 months. There were several streets I was familiar with that had interesting names I'd never have encountered in Kansas: It took awhile for me to connect the spelling on maps & signs with how the locals referred to them.

Cabanne Place where I lived was 'Cabbany'

DeBaliviere was 'De Boliver'

Gravois was 'Gra-voys' (as near as I could tell)

There were others, all sounding as if they were being pronounced by someone from The Bronx. I...umm.. adapted