The furthest back I have is a John Adams born in 1726 unknown location; marriage and death unknown.
1--John Adams b 1726
2--John Adams, Lt. b 1761 unknown location, unknown parents d 20 Jun 1837 Rockbridge Co VA m in Rockbridge Baths VA to J. Hutch()son (had 8 children)
3--James William, Capt. (War 1812) b 1788 (one record says born PA) d 20 May 1857 Rockbridge Co VA m 1810 Rockbridge Co VA to Sarah McCrosk()y (had 7 children)
4--Hugh Adams b 10 Feb 1820 Rockbridge Co VA d 10 Mar 1880 Chicago, Cook Co, IL m Amanda Joanna McCormick of Rockbridge VA (had 8 children)
(Wealthy grocer at "Kerr's Creek" VA. Invested surplus in Chicago, married youngest sister of Cyrus Hall McCormick of Rockbridge and later moved to Chicago. Was in business at different times in Chicago with Cyrus and other McCormick and Adams who moved VA>IL after 1870s. Hugh was president of Chicago Board of Trade. --Wife Amanda died 1890 Watkins Glen, Schulyer County, NY.)
5--James William Adams b 1 Jan 1853 McCormick Farm, Rockbridge VA d 19 Nov 1917 Evanston, Cook Co, IL m 1900 Hyde Park, Chicago, Grace Agnes Clark
6--Robert Adams b 31 Mar 1907 Evanston, Cook Co, IL d 12 Apr 1997 Florence, Northampton, MA m1 1928 to Marion Ashton Piper of MA (one child) m2 to Betty Bachrac (2 sons, 1 dau)
(Robert and Marion both attended Antioch College in Yellow Springs, Greene County, Ohio. He later went to University of Chicago for Master's in Anthropology. Robert was still attending Antioch College when he later met and married second wife, Betty. Both couples appear in the college directories.)
7--Robert McCormick Adams Jr b 6 Jul 1931 Antioch College, Greene Co, OH d 27 Feb 1991 Marina del Rey, L.A., CA m 1953 to Janet Ann Erven of OH (my parents)
If anyone has any interest in this line of Adams, please write me. I can't gain any further on John1 and John2 who may have been migrating down from MA to VA through PA.