"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J5W7-162 : 20 May 2014), Loella Horrell, Dec 1982; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGV4-NM2 : accessed 28 June 2019), Luella A Lewis in household of George S Lewis, Basin, Stevens, Washington, United States; citing enumeration district (ED) ED 217, sheet 10B, family 210, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1672; FHL microfilm 1,375,685.
Washington Death Certificates, 1907-1960," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3BS-FLZ : 10 March 2018), Loella Lamb in entry for George Paul Lewis, 13 Aug 1951; citing Rural, King, Washington, reference 14461, Bureau of Vital Statistics, Olympia; FHL microfilm 2,033,042.
It may be possible to confirm family relationships with LoElla 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 LoElla: