| Sources |
- [S4003] Ancestry.com, Illinois, Marriage Index, 1860-1920, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2015;).
Record for Frank Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=60984&h=417191&indiv=try
- [S3845] Ancestry.com, 1900 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2004;), Year: 1900; Census Place: Mount Vernon, Jefferson, Illinois; Page: 8; Enumeration District: 0076; FHL microfilm: 1240309.
Record for Mary E Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=7602&h=15223511&indiv=try
- [S4155] 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 Frank Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=61370&h=702310&indiv=try
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