Hi Pam,
The parents of Jacob Hays (March 15, 1839-April 19, 1919) were Rosetta Quat or Cuatt and Thomas Hays/Hayes of Furnace Woods/Peekskill/Cortlant, Westchester Co, NY. Rosetta may have had James Hays/Hayes as a second husband. Have you found a Rosetta in the family tree?
Susan
http://jg245.home.att.net/cuatt.htm