Hi Donna
From a family tree on ancestry
Mary Donnelly born 1796 Pennsylvania died 15 June 1829 Ohio, married Oliver Duff 1824, children James Arthur 1824-1892, David 1825-1885, John 1826-1885,William 1828-1897.
Father Arthur Donnelly 1762-23 January 1850 Guernsey, Ohio, no place of birth
Mother Roseann 1762 Ulster Ireland - 18 October 1853 Ohio
Siblings Roseanna1804-1809 and Catharine 1805-?
Hope this helps
Karen