He married Elida (Letty) E. Guion 19 Mar 1767 . Elida (Letty) E. Guion was born at 4 May 1745 daughter of Isaac Guion, Jr. and Anna Marie Bolt .
They were the parents of 8
children:
Joshua Purdy
born 10 Nov 1767.
Mary Purdy
born 10 Nov 1769.
Anna Purdy
born 29 Jun 1771.
Isaac Purdy
born 6 Jan 1773.
Letita Purdy
born 3 Jul 1778.
Thomas Purdy
born 25 Nov 1781.
Mary Rafler Purdy
born 22 Sep 1784.
Rachel Purdy
born 7 May 1792.
Elida (Letty) E. Guion died 18 Oct 1827 at Somers, Westchester, New York .