| Sources |
- [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: Sewickly Ward 1, Allegheny, Pennsylvania; Roll: 1371; Page: 6; Enumeration District: 0488.
Record for Mark Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=7602&h=58150920&indiv=try
- [S3010] Ancestry.com, Pennsylvania, Death Certificates, 1906-1944, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2014;), Pennsylvania Historical and Museum Commission; Harrisburg, PA, USA; Pennsylvania (State). Death Certificates, 1906-1968; Certificate Number Range: 054601-057150.
Record for Lawrence P Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=5164&h=5561405&indiv=try
- [S2983] Ancestry.com, California Death Index, 1940-1997, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2000;), Place: San Francisco; Date: 14 Jan 1954; Social Security: 545208012.
Record for Wayne D Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=5180&h=5103503&indiv=try
- [S2775] Ancestry.com, U.S., Find A Grave Index, 1600s-Current, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2012;).
Record for Sophia Hayes Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=60525&h=86351295&indiv=try
- [S3010] Ancestry.com, Pennsylvania, Death Certificates, 1906-1944, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2014;), Pennsylvania Historical and Museum Commission; Harrisburg, PA, USA; Pennsylvania (State). Death Certificates, 1906-1968; Certificate Number Range: 125501-128513.
Record for Mrs Sophia Hays Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=5164&h=4761439&indiv=try
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