Yes I do!
Nancy is the sister of Abner, daughter of Ashbel (Asa) Fish and Mary (Polly) ?. Asa is the son of John Fish and (we think) Ann Amelia How.
I have a couple of websites for you:http://www.aracnet.com/~toady/FamilyHistory/JohnFish/
Several researchers of this line think that this John Fish b. abt 1730 in NJ and d. 1798 PA is the link to the Fish line to England.
Nancy was b. 4 Jul 1818 in NY and d. 23 Sep 1894 in Dallas Cny IA.