1920 census shows John W. Martin 46y as head of household located in Bellevue, Huron, Ohio, United States. Wife Gertrude 38y, daughter Elva 18y, daughter Loreena 16y, daughter Helen 13y, daughter Thelma 8y.
She died in 1991.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDT6-P82 : accessed 12 December 2017), Elva Martin in household of John W Martin, Bellevue, Huron, Ohio, United States; citing ED 46, sheet 33A, line 36, family 818, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1398; FHL microfilm 1,821,398.
It may be possible to confirm family relationships with Loreena 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 Loreena: