Sorry I have no further info on George Washington Stringham but suggest you check census records from 1870 forward in Queens and Nassau Counties, N.Y. Your great grandmother Susan Elizabeth Verity was b 27 Jan 1846, d 30 Jul 1879 locations unk.She had sister Mary Ellen Verity b 16 Jan 1856, d 14 Feb 1860 bur St. John's Methodist Cemetery, Elmont, (Nassau) N.Y, her family then of Black Swamp, Union Place.(from)L.I. Farmer 21 Feb 1860. Susan's brother John Frederick Verity, Jr. b 6 Mar 1862, m Alice Simmons, had Albert L. Verity b 1900, m Vera __________ had son and daughter. (Look for Albert L. in 1930 census of Queens/Nassau NY) John Frederick b 13 Sep 1815 was one of 13 children all b in Seaford.Parents were Joshua b abt 1781 Seaford and Mary "Polly" (Verity) Verity b bet 1784 and 1790 Seaford.Joshua died bet 1850 and 1860 as 1860 census reads "Polly" was a widow.Souce:Verity Family of Long Island, New York, Feb 2000, pages 100, 107 & 108.