Rhena, born about 1897, was the daughter of John Muir and Mary Elizabeth (Minnie) Ough.  She married Herman Gilroy in 1923 in Toronto, Ontario.
↑ "Recensement du Canada de 1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:27XX-D2K : accessed 13 January 2016), Rena Muir in entry for John Geo Muir, 1911; citing Census, York North Sub-Districts 14-37, Ontario, Canada, Library and Archives of Canada, Ottawa, Ontario; FHL microfilm 2,418,536.
↑ "Ontario Marriages, 1869-1927," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKM5-NFN3 : accessed 13 January 2016), Herman Ellrie Gilroy and Rhena Jean Muir, 05 Sep 1923; citing registration , Toronto, York, Ontario, Canada, Archives of Ontario, Toronto; FHL microfilm 2,266,943.
Thank you to Katharine E for creating WikiTree profile Muir-649 through the import of andrew thomson.ged on Jun 7, 2013.
It may be possible to confirm family relationships with Rhena 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 Rhena: