Mary Catharina Miller was born March 15, 1761, in Millbach, Lebanon, Pennsylvania, a daughter of Michael Mueller/Miller and Maria Elizabeth (Becker) Mueller. On November 27, 1781, Catharina married Michael Gunkle. Children of Mary Catharina include:
John Gunkle, born August 19, 1786, died March 12, 1862, in Chester county, Pennsylvnia, married Jane Rice
Daniel Gunkle, born December 8, 1798, died December 4, 1897, married Sarah Kugler
Catharina died November 14, 1829, in East Whiteland, Chester county, Pennsylvania, and is buried in the churchyard of the Covenant Presbyterian Church in Frazer, Chester county, Pennsylvania.