Henry was born in 1852. Henry McVay ... He passed away before 1919. 
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↑ First-hand information as remembered by Jayme McClary, Tuesday, April 29, 2014. Replace this citation if there is another source.
"United States Census, 1870," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M466-47G : accessed 20 April 2015), Henry A Mcvey in household of Josephus Mcvey, Missouri, United States; citing p. 16, family 124, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,285.
"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNWX-NDP : accessed 20 April 2015), Henry Mcvay, Sugar Loaf, Marion, Arkansas, United States; citing enumeration district 107, sheet 18C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0051; FHL microfilm 1,254,051.
Info from census record:
Name: Henry Mcvay
Event Type: Census
Event Date: 1880
Event Place: Sugar Loaf, Marion, Arkansas, United States
Marital Status: Married
Race (Original): W
Relationship to Head of Household: Self
Relationship to Head of Household (Original): Self
It may be possible to confirm family relationships with Henry 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 DNA with Henry: