1840 Harrison Twp, Ross Co, OH, was where the census taker found the newlyweds. Aaron was 20-30 while his bride was only 15-20. They lived next door to his parents and down the road were brothers, Gabriel and Peter.
He was 20-30 years old in 1840.
Some at Rootsweb say he died 1857 but Susan had remarried before 1847 when son Roland Dotson was born.