| Sources |
- [S3058] Ancestry.com, Pennsylvania, Birth Records, 1906-1908, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2015;), Pennsylvania Historical and Museum Commission; Harrisburg, PA, USA; Pennsylvania (State). Birth Certificates, 1906-1913; Box Number: 465; Certificate Number Range: 047251-050400.
Record for Mary E Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=60484&h=35304018&indiv=try
- [S2806] Ancestry.com, New York, State Census, 1925, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2012.Original data - State population census schedules, 1925. Albany, New York: New York State Archives.Original data: State population census schedules, 1925. Albany, New York: New York S;), New York State Archives; Albany, New York; State Population Census Schedules, 1925; Election District: 18; Assembly District: 19; City: New York; County: New York; Page: 2.
Record for Catherine Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=2704&h=17607546&indiv=try
- [S5954] Ancestry.com, Ireland, Catholic Parish Registers, 1655-1915, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2016;), National Library of Ireland; Dublin, Ireland; Irish Catholic Parish Registers; Microfilm Number: Microfilm 05475 / 12.
Record for John Montgomery
https://www.irishgenealogy.ie/files/civil/marriage_returns/marriages_1910/09991/5633504.pdf
https://search.ancestry.com/cgi-bin/sse.dll?db=61039&h=9493537&indiv=try
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