↑ "Illinois Mortality Schedules, 1850-1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QL91-64H9 : 16 March 2018), Marion Picken, death Apr 1880, Illinois, United States; citing Pub. T1133 Nonpopulation Census Schedules for Illinois, 1850-1880., Film 64, NARA microfilm publications T1133 (Washington, D.C.: National Archives and Records Administration, n.d.).; FamilySearch digital folder 007282689.
It may be possible to confirm family relationships with Marion 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 DNA with Marion: