Mary Catherine O'Brien
1847 - 1889 (41 years)-
Name Mary Catherine O'Brien [1, 2] Birth 3 Dec 1847 Porter, Rock, Wisconsin, USA 
[1, 2] Gender Female Residence 1880 Porter, Rock, Wisconsin, USA [1] Death 12 Jun 1889 Dane, Dane, Wisconsin, USA Person ID I26006 MontyHistNotes_II | Montgomery of Grey Abbey, John Montgomery and Isabella Shaw Last Modified 6 Sep 2025
Family Frank Adelbert Montgomery, b. 24 Sep 1846, Green County, Wisconsin, USA d. 8 Dec 1920, Porter, Rock, Wisconsin, USA (Age 74 years) Children 1. L Bert Montgomery, b. 1859, Wisconsin, USA [Father: natural] [Mother: natural]2. Orrel E Montgomery, b. Jul 1874, Wisconsin, USA [Father: natural] [Mother: natural]+ 3. John Henry Montgomery, b. 23 Oct 1879, Rock, Wisconsin, USA d. 29 Aug 1927, Madison, Dane, Wisconsin, USA (Age 47 years) [Father: natural] [Mother: natural]4. Mary M Montgomery, b. Mar 1884, Wisconsin, USA [Father: natural] [Mother: natural]5. Lydia Irene Montgomery, b. 27 Apr 1888, Porter, Rock, Wisconsin, USA [Father: natural] [Mother: natural]Family ID F10556 Group Sheet | Family Chart Last Modified 6 Sep 2025
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Event Map 
Birth - 3 Dec 1847 - Porter, Rock, Wisconsin, USA 
Residence - 1880 - Porter, Rock, Wisconsin, USA 
Death - 12 Jun 1889 - Dane, Dane, Wisconsin, USA = Link to Google Earth
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Sources - [S615] Ancestry.com and The Church of Jesus Christ of Latter-day Saints, 1880 United States Federal Census, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2010. 1880 U.S. Census Index provided by The Church of Jesus Christ of Latter-day Saints © Copyright 1999 Intellectual Reserve, Inc. All rights reserved. All use is subject to the limited;), Year: 1880; Census Place: Porter, Rock, Wisconsin; Roll: 1444; Page: 374A; Enumeration District: 196.
Record for Frank A. Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=6742&h=20316630&indiv=try - [S2197] Ancestry.com, Wisconsin, Births and Christenings Index, 1826-1908, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2011;).
Record for Lydia Irene Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=2544&h=1076729&indiv=try
- [S615] Ancestry.com and The Church of Jesus Christ of Latter-day Saints, 1880 United States Federal Census, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2010. 1880 U.S. Census Index provided by The Church of Jesus Christ of Latter-day Saints © Copyright 1999 Intellectual Reserve, Inc. All rights reserved. All use is subject to the limited;), Year: 1880; Census Place: Porter, Rock, Wisconsin; Roll: 1444; Page: 374A; Enumeration District: 196.