Most of your information is correct. Somehow James Mills ended up in Ohio with several other families. This James Mills born abou 1740-1750.
About 1812, William Palmer, Stephen Irvin,
Burwell B. Mills, and others? went to Ohio.
Clinton County. This story is posted on Gen Forum WHITSETT chart #3 posted by Barbara Martin.
I am from this family line;
James Mills married Miss Burwell
Burwell B. Mills married Miss Whitsett
J. Ephraim Mills married Miss Worcester
Sarah Mills married Joseph Graham
Roscelia Graham married William Cyrus Fitch
Ada E. Fitch married Nelson Shaver
Irma Shaver married Edward F. Knipper
Jane E. Knipper married R.Spencer Blickenstaff and
family book can be found at the City of Denver Public Library, Genealogy room,
Denver,Colorado; TITLE: Adams, Mills, Humason / AUTHOR: Franklin B. Mills
print date 1921-I made copy of this book and contact with Mills family who gave family information to Franklin.