| Sources |
- [S3688] Ancestry.com, Newspapers.com Obituary Index, 1800s-current, (Name: Ancestry.com Operations Inc; Location: Lehi, UT, USA; Date: 2019;), Forest Park Review; Publication Date: 3 Oct 1973; Publication Place: Forest Park, Illinois, USA; URL: https://www.newspapers.com/image/861143/?article=3dfcca6d-080b-4b28-9d70-a0e2c90b3e68&focus=0.3900292,0.61317396,0.5835813,0.9890451&xid=3355.
Record for John A. Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=61843&h=543164183&indiv=try
- [S949] Ancestry.com, 1930 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2002;), Year: 1930; Census Place: Proviso, Cook, Illinois; Page: 30A; Enumeration District: 2308; FHL microfilm: 2340241.
Record for John Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=6224&h=25489339&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 Jacqueline Concannon
https://search.ancestry.com/cgi-bin/sse.dll?db=60525&h=231298320&indiv=try
- [S3274] Ancestry.com, Illinois, County Marriages, 1800-1940, (Name: Ancestry.com Operations, Inc.; Location: Lehi, UT, USA; Date: 2016;), Various Illinois County Courthouses; Various Illinois County Courthouses; Marriage Records; Collection Title: Marriage Records.
Record for John A. Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=61370&h=1349178&indiv=try
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