Robert was born either 17 October, 1703 at St. Stephens Parish, also known as North Sassafras Parish, Cecil County, Maryland. His parents were Thomas Mercer and Elizabeth Unknown. According to Alice Cates, Robert's mother was Elizabeth (Barnes) Magregory, the widow of Hugh Magregory (no source is included). Gary Roberts agrees that Robert's father was Thomas, born c. 1663, died post February 1733/4, married c. 1702 to Elizabeth Barnes, but he lists Robert's birth date as 17 October 1703.
Could Mercer-124 or Mercer-172 be the father of Robert? Is it possible that father Thomas was married twice?
They were fifth great-grandparents of the president and great-grandparents of Bloomington?s Judge David Davis, who helped put Abraham Lincoln in the White House.
In 1790, there was an Ann Mercer in Cecil County at the West Sassafras Hundred election district. She headed a household of one free white male age 16 or over, one free white male under 16, two free white females, and five slaves. Mercer had been widowed for about two decades.
Rubincam, Milton, "Identity of Helena "Merces" Mercer"The American Genealogist. (Page 204) New Haven, CT: D. L. Jacobus, 1937-. (Online database. AmericanAncestors.org. New England Historic Genealogical Society, 2009 - .) accessed August 21, 2014
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It may be possible to confirm family relationships with Robert 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 Robert:
Robert is 18 degrees from Kevin Bacon, 18 degrees from Joseph Broussard, 27 degrees from Helmut Jungschaffer and 21 degrees from Queen Elizabeth II Windsor on our single family tree. Login to find your connection.