Oliver was born in Indiana in 1829 to Thomas Griffin Mason and Catharine Bayard. He married twice. Both wives were named Mary. When he passed away in 1919, he was buried in the Mount Pleasant Cemetery in Seattle, King, Washington.
Oliver was buried in Mount Pleasant Cemetery in Seattle,
Washington[3]
Find A Grave: Memorial #119259210
Sources
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNCG-6Q7 : accessed 5 April 2016), Oliver P Mason, Portland, Multnomah, Oregon, United States; citing enumeration district ED 97, sheet 279C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1083; FHL microfilm 1,255,083.
↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGJ4-NS4 : accessed 5 April 2016), Oliver P Mason, Seattle Ward 7, King, Washington, United States; citing enumeration district (ED) ED 140, sheet 1B, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,375,674.
↑ "Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVGN-65LH : accessed 5 April 2016), Oliver Perry Mason, 1919; Burial, Seattle, King, Washington, United States of America, Mount Pleasant Cemetery
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DNA Connections
It may be possible to confirm family relationships with Oliver by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
A birth date (Mason-104 born 7 Jul 1829) should not be within eight months of a sibling's birth date (Mason-103 born Jan 1829) unless they are twins born within a day of each other.
A birth date (Mason-104 born 7 Jul 1829) should not be within eight months of a sibling's birth date (Mason-103 born Jan 1829) unless they are twins born within a day of each other.