James Brown (Y-DNA)

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Status summary

Completed as of October 6, 2020:

  • Recruiting additional descendants of James Brown for further SNP testing - anyone interested in submitting their DNA for testing should contact Raymond T. Wing (email: wing.genealogist AT gmail DOT com)
  • Predicted to fall under R-L2 based on 111 STR marker test of a descendant.

Still to do as of October 6, 2020

  • NGS/WGS test for subclade under R-L2.


Parentage of James Brown

John Brown(e)[1] was born about 1591[2] and died at Rehoboth 10 Apr 1662.[3] He married by about 1616[4] to Dorothy _____ who died at Swansea 27 Jan 1673/4 "being the ninety and eighth year of her age or thereabouts"[5]. They had three children (daughter Mary and sons James & John).

First Generation

James Brown was born before 1627[6] and died at Swansea 29 Aug 1710. He married about 1655 to Lydia Howland. They had three[7] children: James (1655), Dorothy (1666) and John (1668).

Second Generation

(Lieut.) James Brown (II) was born Rehoboth 4 (or 21) May 1655 and died prob. at Barrington (now part of RI) 15 May 1718. He married Swansea 5 Jun 1678 Margaret Denison and they had twelve children (prob. in that part of Swansea now Barrington): Lydia (1678/9), Mary (1680), Margaret (1682 dy), Anne[8] (1684), James (1685 m Elizabeth BOWEN Hunt), Margaret (1687), Peleg (1688/9 dy), William (1690 m Elizabeth ___ & Rebecca Follett), Benjamin (twin, 1694 m Keziah Brown & Abigail Paine), Dorothy (twin, 1694), Mercy (1699) and Isaac (1702 m Mary Brown & Esther Bowen).

Jabez Brown was born Swansea 9 Jul 1668 and died in what is now Barrington, RI in Jul 1747. He married twice, first Jane ____ and second Barrington (now part of RI) 17 Feb 1740/1 Abijah Wheaton. Jabez only had children by his first wife (born Swansea): Oliver (1696 m Ann Bullock & Sarah Bullock), Hezekiah (1698 m Joanna/Hannah Barnes), Rebecca (1700), Jerusha (1702 dy), (Elizabeth 1702 dy), Asa (1706 dy), Lydia (1709 dy), John (1710 m Martha Brown), Jane, poss. Mary.

  1. Anderson, The Great Migration I:420-429
  2. based on estimated date of marriage.
  3. Published Rehoboth VRs p. 804
  4. The Great Migration I:426
  5. Published Swansea VRs, p. 26
  6. He appeared on the Able to Bear arms list of 1643, so was at least age 16 at that date.
  7. Many sources, including the George Bowman files, list more children, but none of the others were mentioned in the will of either their father or their maternal grandmother.
  8. Birth record had Lydia, but all other records had Anne

DNA Results R-L2

Previous Y-DNA testing

The Brown-Browne-Braun DNA Study Project (Group No. 048) had two individuals who claims his Most Distant Known Paternal Ancestor (MDKPA) was John Brown 1579-1662.[1] None of the individuals have done any Y-SNP testing and FTDNA simply predicts they fall under R1b-M269. One individual has done 111 Y-STR testing and plugging in his values in the Nevgen Haplogroup Predictor tool comes up with a possibility of the family falling somewhere under R-P312>>U152>L2, but with a low probability score (between 45.85% for the most likely to much less than 1% for others). In addition, the tool stated there is a 43.6% the family falls under an "unsupported clade".

  1. this group has other close STR matches who list various MDKPAs, but all are somehow closely related to each other.

NGS/WGS testing

NGS testing of Y-DNA descendants of John Brown (and ideally descendants of his son, James) would refine the placement of this family.

References and External Links

Lainhart, Ann Smith and Robert S. Wakefield, Mayflower Families Through Five Generations. Vol. 23 (Howland) part 1 (first 4 generations of some children), General Society of Mayflower Descendants, Plymouth, MA 2006