This may or may not be James and Susannah Bartlett's son, but the coincidences make him worth looking at! Then YOU have to decide. I just provide the facts, ma'am. [sorry, that's my Jack Webb imitation.]
1880 Carroll County, Ga. census; Turkey Creek District; GMD #1240. Henry B. Bartlett, age 40, farmer, born Ga. (sic) father born Ga. (sic); mother born Ga. (sic). Mary Jane, wife, age...39, [I forgot to write her age down, SO had to figure it out from another census...true confessions..jeb] born Ga.; father-Ga.; mother Ga. James L. son 19, Ga. Ga. Ga. Henry F. son 15, Ga. Ga. Ga. Reuben A. son 13, Ga. Ga. GA. William J. son, 11, Ga. Ga. Ga. Susan J. A., dau., Ga. Ga., Ga., Newman O., son 5, Robert E. son, 2 Ga. Ga. Ga. Mary Ellen, dau. born October 1879.
1900 Soundex, Carroll County, GA. enum. dist. 11, page 10. Robert E. Bartlett born Oct. 1877, Mary E. age 20 born Ga. [sister] Mary J. (mother) born Aug. 1841.