Elizabeth Mapes

"Washington Death Certificates, 1907-1960," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3R7-SBP : 5 December 2014), Elizabeth Parker in entry for Jacob B. Mapes, 11 Jun 1939; citing Sequim, Clallam, Washington, reference 40, Bureau of Vital Statistics, Olympia; FHL microfilm 2,023,565.