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- [S2877] Ancestry.com, 1921 Census of Canada, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2013;), Reference Number: RG 31; Folder Number: 159; Census Place: Regina, Regina, Saskatchewan; Page Number: 9.
Record for Allan Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=8991&h=7111222&indiv=try
- [S2875] Ancestry.com, 1911 Census of Canada, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2006;), Year: 1911; Census Place: 142 - Montreal, Maisonneuve, Quebec; Page: 5; Family No: 58.
Record for Ellen K Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=8947&h=1109295&indiv=try
- [S2777] Ancestry.com, 1900 United States Federal Census, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2004.Original data - United States of America, Bureau of the Census. Twelfth Census of the United States, 1900. Washington, D.C.: National Archives and Records Administration, 1900. T623, 18;), Year: 1900; Census Place: Decatur, Macon, Illinois; Roll: 323; Page: 5; Enumeration District: 0046.
Record for Mame O Brien
https://search.ancestry.com/cgi-bin/sse.dll?db=7602&h=37031602&indiv=try
- [S4362] 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: Marblehead, Essex, Massachusetts; Roll: 2862; Page: 8; Enumeration District: 5-235.
Record for Thomas J Mc Ardle
https://search.ancestry.com/cgi-bin/sse.dll?db=62308&h=157508161&indiv=try
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