Marriage and Birth Place Info from CD#100, Automated Family Pedigree#1, copyright Broderbun d Software (Lawrence Glenn Hardin - 1995).
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Surname from "The Clinkscales of America". Also, Mary administered the will of deceased husband Adam starting in June, 1730, which named her three living children.
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Page 119 of "Ancestors of American Presidents", 1995, by Gary Boyd Roberts, names her Mary (Preston?).