Parents of Richard Nagle sought

Seeking parents of Richard Nagle, born c. 1744. He emigrated to Baltimore, Maryland around 1761. He served in George Washington's army during Revolutionary War. Died in 1837 in Cambria County, Pennsylvania. Was married to Mary Catherine Baum. He had a son named Richard R. Nagle who had a son named John Nagle who had a daughter named Catherine Lucinda Nagle, who had a daughter named Anna Mary Leamer, who had a daughter named Bernice Bee, my paternal grandmother.