There are 3 Thomas Dewalts they Are listed in Vandenburgh co. Ind. The family Change there name to Dayvolt. They are listed in Find a grave in the Just type in the last name and the state and the county. one Was the Brother of my G.G. Grandfather William Howard Dayvalts or Dewalts or Debolts and so on. There is a Thomas H.Dayvolts 1892-1966 or 1922-1962 or thomas m 1943-1998 . one was the son of Henry S. Devault -Dayvolt. not sure about the others. Their family was from Mason West Virginia.
found 1 ThomasD. Dewalts who died in 1998 in find a Grave.

There is a library in Evansville, IND. Called Browning Genealogy in at this web page.

Http://browing.evcpl.lib.in.us/