Mary E. Hennessy (born 1882)Hennessy family✓Confirmed how we know thisVitalsBorn1882✓Confirmed how we know thisFamilySpouseMark Hennessy (born 1879)ChildrenJames D. Hennessy (born 1917), John H. Hennessy (born 1919), Katherine V. Hennessy (born 1923), Richard H. Hennessy (born 1925), Charles L. Hennessy (born 1927)Sources1940, ED 68-5, p.41, line 72View Mary E. Hennessy's family tree · See this person in the family network · Find how you are related