| Sources |
- [S3831] Ancestry.com, 1950 United States Federal Census, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2022;), National Archives at Washington, DC; Washington, D.C.; Seventeenth Census of the United States, 1950; Year: 1950; Census Place: Rockford, Winnebago, Illinois; Roll: 625; Page: 3; Enumeration District: 101-23B.
Record for John P Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=62308&h=224822815&indiv=try
- [S2881] Ancestry.com, U.S., Social Security Applications and Claims Index, 1936-2007, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2015;).
Record for Daniel John Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=60901&h=43205355&indiv=try
- [S3739] Ancestry.com, Newspapers.com Marriage Index, 1800s-1999, (Name: Ancestry.com Operations Inc; Location: Lehi, UT, USA; Date: 2020;), The Cincinnati Enquirer; Publication Date: 25/ Dec/ 1967; Publication Place: Cincinnati, Ohio, USA; URL: https://www.newspapers.com/image/100692507/?article=a802f525-cb65-49a9-b7e1-a1cc36e80859/cd731b26-2315-4a96-8114-750cc34be556&focus=0.34762675,0.05332979,0.45661962,0.28857058&xid=3398.
Record for Daniel J. Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=62116&h=342486044&indiv=try
- [S2745] Ancestry.com, U.S., Find A Grave Index, 1600s-Current, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;).
Record for Daniel John Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=60525&h=60999908&indiv=try
- [S4257] Obit_Daniel J Montgomery 2006, (Name: Rockford Register Star; Location: Rockford, Illinois, USA; Date: 2006;), Montgomery, Daniel John (1944-2006).
Rockford Register Star (Rockford, IL) 1 June 2006, page 19 GenealogyBank https://www.genealogybank.com/doc/newspapers/image/v2%3A13544BF187CDD587%40GB3NEWS-13A0DFF1867CCF70%402453888-13A0762650F20A5B%4018-13A0762650F20A5B%40 : accessed 11 September 2025
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