With proper names, it's common, especially since they have so many different countries of origin.
We're bad about it here in the South, too.
In SC:
Cooper River (Kuppah)
Huger (U-G; as in you-gee)
Gaillard (Gil-yard)
Beaufort (Byoo-ferd)
Snowden (Snow-don; not like snow but like "ow!")
Hasell St. (Hazel)
Mazyck St. (Maa-zeek)
In North Carolina, the city is Charlotte (Shar'-let); in Michigan, their city is Charlotte (Shar-lot').
