In answer: Grandfather: Elda Curtis WOOD(S) b.3 Oct 1871 Oregon, d.5 Jan 1935 Oregon GGrandfather: Robert Franklin WOOD, b. 5 March 1833, TN d. 8 Nov 1866 Oregon GGGrandfather: Edmund WOOD b.abt 1805, VA d. 1879-1880 Washington.. My point is, there is no rhyme nor reason to the sometimes adding or deleting of the "S" on our name