[S3446] Ancestry.com, 1860 United States Federal Census, (Name: Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2009;;), Year: 1860; Census Place: Chicago Ward 2, Cook, Illinois; Page: 393; Family History Library Film: 803164.
Record for Mary Montgomery https://search.ancestry.com/cgi-bin/sse.dll?db=7667&h=37336104&indiv=try