On 21 Jan 1810 when Louisa was 18, she married John Viles (62679) , son of John Viles (54189) (12 Jun 1750-19 Sep 1820) & Hannah Warren (59741) (10 Apr 1755-5 Apr 1784), in Waltham, MA.616 Born on 6 Aug 1776 in Waltham, MA.616 John was baptized on 11 Aug 1776.30 John died in Waltham, MA, on 4 Sep 1851; he was 75.

John first married Lydia Pierce, second Louisa Harrington, and third Lydia (Reed) Viles, widow of his brother Nathan.