Searching for Wall Family of Thayer MO

I AM LOOKING FOR FAMILY MEMBERS DATING PREVIOUS TO SAMUEL AND MAE WALL OF THAYER , MO. THEY HAD SONS, HERBERT, HAROLD, HARRY AND THOMAS.
TO THE BEST OF MY RECOLLECTION, MY GRANDMOTHER, MAE WALL PASSED AWAY IN OR AROUND 1957 OR 1958 AND SAMUEL APPROXIMATELY 2-3 YEARS LATER.
MY "GREAT AUNT, LULA WALL, RAN THE THAYER HOTEL IN DOWNTOWN THAYER, MO. APPROXIMATELY THE SAME TIME.