Leona Carrie O'Neil
1888 - 1961 (73 years)-
Name Leona Carrie O'Neil [1, 2, 3] Birth 4 Jul 1888 Missouri, USA 
[1, 2, 3] Gender Female Residence 1920 Villa Park, DuPage, Illinois, USA [1, 2] Residence 1930 Monterey Park, Los Angeles, California, USA [3] Residence 1 Apr 1940 San Gabriel, Los Angeles, California, USA [1] Death 7 Jul 1961 West Covina, Los Angeles, California, USA Person ID I25417 MontyHistNotes_II Last Modified 6 Sep 2025
Family Harold Hunter Montgomery, b. 28 Mar 1890, New Jersey, USA d. 3 Jun 1960, Los Angeles County, California, USA (Age 70 years) Marriage 19 Jun 1911 Oshkosh, Winnebago, Wisconsin, USA Children 1. Virginia L Montgomery, b. Abt 1914, Illinois, USA [Father: natural] [Mother: natural]2. Living 3. Living 4. Living 5. Donald N Montgomery, b. 15 Sep 1921, Oak Park, Cook, Illinois, USA d. 10 Aug 1998, Newport Beach, Orange, California, USA (Age 76 years) [Father: natural] [Mother: natural]Family ID F10379 Group Sheet | Family Chart Last Modified 6 Sep 2025
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Event Map 
Birth - 4 Jul 1888 - Missouri, USA 
Marriage - 19 Jun 1911 - Oshkosh, Winnebago, Wisconsin, USA 
Residence - 1920 - Villa Park, DuPage, Illinois, USA 
Residence - 1930 - Monterey Park, Los Angeles, California, USA 
Residence - 1 Apr 1940 - San Gabriel, Los Angeles, California, USA 
Death - 7 Jul 1961 - West Covina, Los Angeles, California, USA = Link to Google Earth Pin Legend 
: Address
: Location
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Sources - [S613] Ancestry.com, 1940 United States Federal Census, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2012.Original data - United States of America, Bureau of the Census. Sixteenth Census of the United States, 1940. Washington, D.C.: National Archives and Records Administration, 1940. T627;), Year: 1940; Census Place: San Gabriel, Los Angeles, California; Roll: T627_252; Page: 4B; Enumeration District: 19-686.
Record for Harold H Montgomery
http://search.ancestry.com/cgi-bin/sse.dll?db=1940usfedcen&h=73892327&indiv=try - [S940] Ancestry.com, 1920 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2010;), Year: 1920; Census Place: Villa Park, DuPage, Illinois; Roll: T625_365; Page: 7A; Enumeration District: 28; Image: 981.
Record for Harold H Montgomery
http://search.ancestry.com/cgi-bin/sse.dll?db=1920usfedcen&h=15768337&indiv=try - [S949] Ancestry.com, 1930 United States Federal Census, (Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2002;), Year: 1930; Census Place: Monterey Park, Los Angeles, California; Roll: 173; Page: 13A; Enumeration District: 1425; Image: 749.0; FHL microfilm: 2339908.
Record for Harold H Montgomery
http://search.ancestry.com/cgi-bin/sse.dll?db=1930usfedcen&h=90871900&indiv=try
- [S613] Ancestry.com, 1940 United States Federal Census, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2012.Original data - United States of America, Bureau of the Census. Sixteenth Census of the United States, 1940. Washington, D.C.: National Archives and Records Administration, 1940. T627;), Year: 1940; Census Place: San Gabriel, Los Angeles, California; Roll: T627_252; Page: 4B; Enumeration District: 19-686.