On 27 Apr 1845 when Percis was 22, she married Asa Thomas Jones (63043) , son of Dr. Asa Jones (55518) (20 Feb 1787-22 Oct 1831) & Lucy Dunbar (59677) (28 Oct 1789-27 Jul 1844), in Spencer, MA.596 Born on 17 Aug 1820 in Spencer, MA.596 Asa Thomas died in Spencer, MA, on 13 Nov 1865; he was 45.

Asa Thomas was the founder of the shoe factory in Spencer.