On 9 Sep 1840 when Hiram was 46, he second married
Katherine Brattle Bascom, daughter of
Rev. William Bascom (19 May 1780-16 Nov 1845) &
Katherine Brattle Gannett (8 Jun 1782-26 Feb 1863), in Boston, MA.
Born on 18 Apr 1810 in Fitchburg, MA. Katherine Brattle died in Yonkers, Westchester County, New York, on 26 Jun 1895; she was 85.