In 1991 I compiled what I had dealing with the Ancestry of Ann E. Lehew wife of Thomas Buck McKay. She had the Branson ancestry.
I am really not working on this family, but new information I might find posting it on my cousin Michael L. McKay
www.geocities.com/Heartland/Park/8030 under discussion forum to discussion forum.
I do not remember if Michael has placed Branson will on line.
Good luck with your research.
Dee Ann (Shipp) Buck