"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JLTZ-2MG : 20 May 2014), Katherine Mehlhaff, 21 Dec 1991; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States, Obituaries, American Historical Society of Germans from Russia, 1899-2012," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVS3-3VF3 : 1 July 2016), Mrs Katherine Or Katie Hieb Mehlhaff, 21 Dec 1991; citing Obituary, in "Northwest Blade"; American Historical Society of Germans from Russia, Lincoln.
This person was created on 07 December 2009 through the import of Hauff Dittrich 2.GED.
Is Katharina your ancestor? Please don't go away! Login to collaborate or comment, or ask our community of genealogists a question.
Sponsored Search by Ancestry.com
It may be possible to confirm family relationships with Katharina 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 Katharina: