On 15 May 1856 when Louisa was 34, she married
Jonathan Low Choate, son of
Charles Choate (21 Oct 1789-14 Sep 1875) &
Mary Low (8 Dec 1789-8 Oct 1883).
Born on 10 Jan 1825 in Ipswich, MA. Jonathan Low died in Chelsea, MA, on 8 Jan 1915; he was 89.
Jonathan first married Mary Souther, second Louise Buck, and third Ann Raymond.