Aaron,
Col-John Johntson was never in the Civil War, his title came from the Florida-Indian war's-Era he was a old man and father of-later Gov.-D.H.Johntson-1898-1939--(the county is also named after his name sake)D.H.Johntson was my half-Uncle. same Gm/widowed&remarried in her 20-30's?
This site look like it answers your questions? Danny K