Abraham was born in 1742.
The Church of Jesus Christ of Latter-day Saints, "Ancestral File," database, FamilySearch (https://familysearch.org/ark:/61903/2:1:MW3J-KZT : accessed 1 September 2019), entry for Abraham GRIDLEY (1CFM-PDT); submitted by hgridley2493751 [identity withheld for privacy].
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Abraham is 13 degrees from Maria Mitchell, 24 degrees from Carl Sagan, 19 degrees from Tycho Brahe, 27 degrees from Nicholaus Copernicus, 23 degrees from Eise Eisinga, 19 degrees from Caroline Lucretia Herschel, 20 degrees from Thomas Maclear, 10 degrees from Simon Newcomb, 16 degrees from Isaac Newton, 22 degrees from Pierre Henri Puiseux, 19 degrees from Beatrice Tinsley and 15 degrees from Edith Woodward on our single family tree. Login to find your connection.