The following, regarding Alexander May and his family, was extracted from the book, History of Washington County, Pennsylvania with Biographical Sketches of Many of Its Pioneers and Prominent Men (Boyd Crumrine, editor):
Alexander May came from Lancaster, and purchased a tract of four hundred acres of land. He had five sons---Arthur, John, Alexander, Samuel, and David---and two daughters, Margaret and Mary. Arthur and Alexander were physicians, and practiced in Lancaster and Chester Counties, Pa. Arthur died in 1810. John married a Miss Ross, and settled in this township. Alexander, his son, married a daughter of John Berry [see William Berry], settled on the homestead, and died in Venice. His son, John B., lives in Canonsburg. John married the daughter of William Berry, Esq., and settled on land now owned by Mankadick and John Hays. Samuel was a teacher, and settled in Chanango, Pa., and died there. David settled on the homestead and died there, leaving two sons---Alexander and David---and a daughter, Jane. Alexander went to Virginia; David settled in Peters township; Jane became the wife of Lewis Grier, and settled in Smith township. Margaret, the eldest child of Alexander May, Sr., became the wife of David Reed and settled in the township. Mary became the wife of Joseph Cowden, and settled in Cecil.
Crumrine, Boyd (ed.), History of Washington County, Pennsylvania with Biographical Sketches of Many of Its Pioneers and Prominent Men (Philadelphia: L. H. Everts & Company, 1882).