↑ "Illinois, Cook County, Birth Certificates, 1871-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NQYX-WPB : accessed 26 November 2015), Mary Jane Nichol in entry for Mary Francis Quinn, 18 Oct 1903; citing Chicago, Cook, Illinois, United States, reference/certificate 14051, Cook County Courthouse, Chicago; FHL microfilm 1,288,061.
Source: S150 Author: Ancestry.com Title: 1910 United States Federal Census Publication: Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2006.Original data - Thirteenth Census of the United States, 1910 (NARA microfilm publication T624, 1,178 rolls). Records of the Bureau of the Census, Record Group 29. National Archives, Was; Repository: #R1
Source: S164 Author: Ancestry.com Title: 1930 United States Federal Census Publication: Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2002; Repository: #R1
Source: S175 Author: Ancestry.com Title: 1920 United States Federal Census Publication: Name: Ancestry.com Operations Inc; Location: Provo, UT, USA; Date: 2010; Repository: #R1
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DNA Connections
It may be possible to confirm family relationships with Mary by comparing test results with other carriers of her ancestors' mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Mary: