Death Records of the Rahway & Plainfield NJ MM's-p. 11 & 18-William Dell died 27th 9th mo 1777.(Genealogy Magazine of NJ, Vol. 27 p. 44).Believe this to be an earlier child of Randall & Anna, born about 1767.
BTW, "my" William was William SHOTWELL Dell, b. 1801, son of Richard and Rachel (Shotwell) Dell.Don't know where the "S." came from.