I am not related to this famiy, but thought I might try and help out. You may already have the following,
1870 NE Cass Co. Plattsamouthimage 32 123/123 Shepard Duke, 64Real Estate agent b West VA Lorena66Keeping houseWV Maggie Wilson 18House KeeperOhio (Did not locate a family with both Maggie and Alice listed in the family.)Since you have the 1880 census.
1900 Plattsmouth Ward 5, Dist 14, image 1 8/9 John D. TuttOct 1863. 64 widowed Groceryman b MO VA SC Edwin S.Jul 187425 singleNE Salesman Grocery Mary E.Aug 187821 singleNE
1910 Plattsmouth Ward 3Dist 12, image 8 52/53 Clarence W. Forbes30mar11yrs, b IN NY NY Painter Railroad Shop Edna W. keeping house mar11yrs, 4chb, 4liv, b NE MO OH janet T.10 NE Hazel E.8" George G.5" Virginia H. 3 " John D Tutt father-in-law77 wd, b MO
1910 ward 1, Dist 10, image 12 Edwin S. Tuttboarder36, mar 0 Yr, Woodworker RR Shop Edith E.boarder30, mar 0 yrs NE Ger Ger
1917/18 Draft Card: Edwin Shepherd Tutt, Murray , Cass Co NE, b July 10 1873, Merchant, Hiatt & Tutt, Murray NE, wife Edith E. He was of medium height and build with brown eyes and black hairSep 12 1918