David;I've researched this family (mine) for 25 years, and have now verified several lines back to 1720s through the BARTLETT DNA Project.
Thomas BARTLETT c1705-1783 of Richmond Co, VA m Elizabeth 1. Thomas BARTLETT Jr c1730-1806 1m Anne - they were in Fauquier Co, VA 1768-1785, then Harrison Co, VA from 1785. A. William BARTLETT 1756-1825 mc1774 Sarah HATHAWAY 1759-1831 (she was daughter of Capt John HATHAWAY (in RevWar) and Sarah TIMBERLAKE) - the HATHAWAYS lived next to Thomas BARTLETT in Fauquier Co in the 1770s, where/when William and Sarah (when she was about 15); they went to Harrison Co about 1790 and settled near Simpson.They're buried at the Baptist Church there. 1. Josiah BARTLETT 1797-1867 m 1819 Abigail GOFF 1790-1880 (her parents: Job GOFF and Zerviah WALDO) - they lived in Taylor Co, (W)VA A. Jedediah W BARTLETT 1822-1898 1m 1854 Harrison Co Olive RYAN 1835-1865 (her parents: John RYAN and Sarah RADCLIFF) - they, too, lived in Taylor Co; after Olive died Jed. 2m 1872 Eveline JANES 1. Meigs Jackson BARTLETT b1857 m 1883 Nancy Elizabeth ALLEN b 1864 (her parents: Stephen ALLEN and Nancy F MAYSE) - they lived in Clarksburg, WV ch: Lola Olive b 1886 m James M HAGGERTY Mary Lena b 1889 m Loyd GRAVES Evalyn Meigs b 1891 m Boyd FLEMING
I haven't traced the descendants any further, but would like to know more about them.