Nancy, I'm just getting started in this part of my family tree and I am also coming up with all of those different spellings. I found a John B Oelschlager in the 1869 census, age 33. His wife Elizabeth age 33, son Jacob age 4, son John age 2 and son Charles age 5 mo. This was the Indiana census, 1860 (Centre Twp., Marion County, Indianapols) John B.'s birthplace was Germany,Wwuerttemburg and Elizabeth's was Germany, Baden. If this is of any help or interest, let me know. My email address is bsloan1@net zero.net.