RE: GAINER JEFFREYS (PA/NC/TN).My records show my family research on the Gainer Jeffreys b.1744 PA and Sarah Jackson family as follows:Gainer Jeffreys b.1744 was son of Evan Jeffreys b.c 1720 and Elizabeth Peirce b.24 Mar 1722 PA (daughter of Gainer Peirce and Margaret Synamall per PA Quacker records.)
Gainer and Sarah (Jackson) Jeffreys moved to Orange CO.,(later became Alamance Co.)NC and had the following children: Jacob?; James b. 1770 NC; Evan b 1766 PA; John b.1765-68 PA; (Twins) Sarah b.1773 NC; Elizabeth b.1773; dau b.1782 Mary?; Son b.1784; dau. b.1786 Susannah? Rowan Co.NC. The twins married Bracken brothers. They later migrated to AL.
John J. Jeffreys b.1765-68 m.1) (Mrs.)Jeffreys; m.2) Jincey Edwin; m.3) Winifred Whitmire; m.4) Deanna.John's son, Gainer. b. 1800 NC m.1) Martha and m.2) A. Young.
John J. Jeffreys (b.1765-68)had another son, John Jr. b. 1802 TN who m. Mahala Castleberry in Morgan Co. AL. John Jr. and Mahala Jeffreys had 14 children. They named 12th child a(7th son) Gainer Jeffreys.
I hope that this helps your research. I have all the names of the other children of John Jr. and Mahala.