| Sources |
- [S3845] Ancestry.com, 1900 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2004;), Year: 1900; Census Place: Chicago Ward 3, Cook, Illinois; Roll: 246; Page: 18; Enumeration District: 0063.
Record for James R Sullivan
https://search.ancestry.com/cgi-bin/sse.dll?db=7602&h=54734245&indiv=try
- [S3398] Ancestry.com, 1910 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2006;), Year: 1910; Census Place: Marshall Ward 1, Clark, Illinois; Roll: T624_235; Page: 11b; Enumeration District: 0013; FHL microfilm: 1374248.
Record for James R Sullivan
https://search.ancestry.com/cgi-bin/sse.dll?db=7884&h=4335527&indiv=try
- [S3572] Ancestry.com, 1920 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2010;), Year: 1920; Census Place: Marshall, Clark, Illinois; Roll: T625_302; Page: 9A; Enumeration District: 13.
Record for Roy Sullivan
https://search.ancestry.com/cgi-bin/sse.dll?db=6061&h=95950704&indiv=try
- [S3453] Ancestry.com, U.S., Find A Grave Index, 1600s-Current, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;).
Record for John D. Sullivan
https://search.ancestry.com/cgi-bin/sse.dll?db=60525&h=172258405&indiv=try
- [S1787] Marshall Cemetery, (Name: Findagrave; Location: Marshall, Clark, Illinois, USA;), Sullivan, John D (1893-1977) Memorial #207741605 Accessed KRM 23 Nov 2025 6:47am https://www.findagrave.com/memorial/207741605/john_d-sullivan.
Marhshall Cemetery
Marshall, Clark County, Illinois, USA
https://www.findagrave.com/cemetery/303224/marshall-cemetery
https://www.findagrave.com/memorial/207741605/john_d-sullivan
- [S1051] Montgomery, Clark, Early Montgomery Marriages, (Name: Location: Bemidji, Minnesota;;), List complied and courtesy of Clark Montgomery -- lists marriages ofearly Montgomerys in his family line, including references to their source.
- [S3068] Jordan Dodd and Liahona Research, comp., Illinois Marriages, 1851-1900, (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2005;).
Record for Nannie Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=7857&h=407367&indiv=try
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