Jose, I found a listing for Reinhold Mueller in the Quincy City Directory. He listed his profession as a travelling salesman and gives his street address. An image of what I found is below. I also found an 1870 census listing for Reinhold when he was 17 years old living with his parents and siblings in St. Louis. One of Reinhold's sister's name was Louise. Perhaps your grandmother was named after her. Reinhold's father's name was Anton and his mother was Ginna. Both of them were born in Baden, Germany. Anton was 46 and Ginna 47 in 1870. Anton was working in a stone quarry. Anton valued his real estate at $2500 and his personal property at $120 Don't know if these are the right people or not. Have you tried checking out the census data that is available? I do find other census data available for Reinhold Mueller. As far as William, not as much luck. There is a William Mueller of Quincy that was born Nov. 30 1868 but he had different parents -- not Reinhold. Hope this helped. Denise Anyway, here is the city director listing: Discover Your Family Story Quincy, Illinois Directories, 1887-90 Quincy, Illinois Directories, 1887-90 Name: Reinhold Mueller City: Quincy State: Illinois Occupation: trav. salesman Year: 1887, 1888 Location 2: r. 216 S. 11th Source Information: Ancestry.com. Quincy, Illinois Directories, 1887-90 [database on-line]. Provo, UT, USA: MyFamily.com, Inc., 2000. Original data: Quincy, IL, 1887-1888. Quincy, IL: H. N. Stone & Company., 1887. Quincy, IL, 1889-1890. Quincy, IL: H. N. Stone & Company., 1889. Description: Directories listing over 32,100 names for Quincy, Illinois from 1887 to 1890 Copyright © 1998-2006, MyFamily.com Inc. _<< Return to Results Screen_ (http://searc h.ancestry.com/cgi-bin/sse.dll?db=1890quincyil,&rank=0&gsfn=reinhold&gsln=mueller&sx=&gs1co=2,United+States+&gs1 pl=16,Illinois&year=&yearend=&sbo=0&srchb=r&prox=1&ti=0&ti.si=0&gss=angs-i&o_i id=21416&o_lid=21416&o_it=21416&indiv=1&recid=9853&h=&fh=0&ct=&fsk=&bsk=)