Thaddeus married
Sophia Read, daughter of
Joshua Read (ca 1750-ca 1816) &
Judith (ca 1756-1821).
Born on 4 Apr 1793 in Windsor, Berkshire County, Massachussetts. Sophia died in Phelps, Ontario County, New York, on 5 May 1877; she was 84. Buried in Resthaven Cemetery, Phelps.