On 24 Feb 1771 when Kimball was 23, he married
Sarah Sprague (48767) , daughter of
Samuel Sprague (34192) (ca 1706-26 Mar 1766) &
Sarah Oldham (31393) (-aft Mar 1766), in Duxbury, MA.
Born on 15 Jan 1755 in Duxbury, MA. Sarah died in Duxbury, MA, on 28 Mar 1782; she was 27.