Austin married Louisa Caroline Farnsworth, daughter of Reuben Farnsworth and Lucinda Kent, on 5 May 1835 in , Johnson, IN. (Louisa Caroline Farnsworth was born on 5 May 1817 in Athens, Athens, OH, died on 27 Feb 1879 in Joseph, Sever, OH and was buried in 1879.)
Ancestral File Number: 4156-B8.