Here's more info on Martha. Found death certificates for her and her husband.
Martha Ann Unger Smith Born:06 Oct 1871 in Adams County, Ohio. Died:05 Mar 1952 in Leesburg, Highland County, Ohio. Buried:08 Mar 1952 in Bridges Cemetery in Bridges, Ohio.
She was married to Sherry A. Smith the s/o Joseph C. Smith and Dorthy Ann Watson. Born:10 Oct 1866 in Athens Co., Ohio Died:02 Aug 1953 in Leesburg, Highland County, Ohio. Buried:05 Aug 1953 in Bridges Cemetery, Highland Co., Ohio.