Berkeley Co, VA; Deed [DB12:325-7] 25 Feb 1787: Lease from George NICHOLAS, as atty for George William FAIRFAX, Esq, to Garner BARTLETT; mentions sons William and Reubin
Berkeley Co, VA; Pers Prop Tax List; 1787 John BARKLEY 1W>16, 1W<16, 2H, 2C John BUCKLEY 1W, 1S>16, 2H, 3C George BERTLET 1W, 5H, 7C [prob Garner]
Berkeley Co, VA; Pers Prop Tax List; 1788 John BARKLY 3H John BUCKLEY 1S>16, 2H Garner BARTLETT 6H
Berkeley Co, VA; Pers Prop Tax List; 1789 John BERKELEY 4H John BUCKLEY 2H Gardner BARTLET 1W, 6H
Berkeley Co, VA; Mar [MB:] 17 Jul 1800: William BARTLEY m Susannah CHAFFIN
Berkeley Co, VA; Tax List; 1800: William BARTLETT 1 white > 21; 0 slaves; 1 horse
Berkeley Co, VA;Census; 1810: William BARKLEY 30010-20100-00 (Wm b 1765-84; wife b 1784-94)
It looks like Garner's name was sometimes spelled George and sometimes Gardner.I believe William BARTLETT was Garner BARTLETT's son and he stayed in Berkeley/Frederick Co, VA area when his father first moved to Botetourt/Montgomery Co, VA area.