Margaret F Fischer was born 2 September 1920 in Holland, New York. She married Lloyd R. Warner on 28 October 1939 in Great Valley, New York. She died 12 May 2000 in Warsaw, New York.
"New York State Census, 1925," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KSS9-YF5 : 8 November 2014), Margaret F Fisher, Holland, A.D. 08, E.D. 01, Erie, New York, United States; records extracted by Ancestry and images digitized by FamilySearch; citing p. 23, line 37, New York State Archives, Albany.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KQ1H-8W7 : accessed 17 September 2016), Margaret Warner in household of Hume Colby, Holland, Holland Town, Erie, New York, United States; citing enumeration district (ED) 15-92, sheet 14B, family 308, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 2529.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VSJS-8ZW : 19 May 2014), Margaret F Warner, 12 May 2000; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
It may be possible to confirm family relationships with Margaret by comparing test results with other carriers of her 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 DNA with Margaret: