Your David had a daughter, Martha Jane b: 1873. Could she have married a William Beveridge and lived in Middle Creek, Schuylkill County, Pennsylvania? Later they lived in Pottsvile, Schuylkill County, Pennsylvania.
There is a record of a Margaret Penman who was married to Robert Beveridge; they came to LLewellyn, Schuylkill County, Pennsylvania in 1850 from Scotland and had the following children:Elizabeth, Robert, Helen, Jan, Margaret, William, and David. I believe that William Beveridge is my gggrandfather and his wife was Martha Jane.