Isaac was born about 1847. He passed away about 1880.
https://www.familysearch.org/ark:/61903/1:1:SPM1-T8W?from=lynx1UIV8&treeref=K6HM-64W
https://www.familysearch.org/tree/person/sources/K6HM-64W
https://www.familysearch.org/ark:/61903/1:1:J81D-TY8?from=lynx1UIV8&treeref=K6HM-64W
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