"Ontario Births, 1869-1911," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QV9H-Y44V : 15 January 2016), James Orville Thomson, 15 Apr 1910; citing Birth, Markham, York, , Canada, citing Archives of Ontario, Toronto; FHL microfilm 2,413,402.
Acknowledgments
Thank you to Katharine E for creating WikiTree profile Thomson-1681 through the import of james d thomson.ged on May 25, 2013.
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DNA Connections
It may be possible to confirm family relationships with Orival by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Orival: