↑ The 1850 Census of Pompey, Onodaga, New York has Helen's birth place listed as Ireland. It is possible this is an error
See also:
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCBP-JB9 : 12 April 2016), Harrison Mason, Pompey, Onondaga, New York, United States; citing family 1534, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.)
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