Seeking any information of the above 1780 to present - Duffy originated in Wilkinstown C. Navan. Family moved to Navan town 1800. One of 3 sons Christopher married Ellen Sheehan Navan town 1850 or thereabouts, 5 children all moved to Dublin early 1900's. One son Christopher, a waiter in a leading hotel in Dublin. His son, Christopher, married Bridget Kelly, Dublin 1870. 4 children, Ellen, Sarah, Bridget and Joseph. Joseph who was my father married Elizabeth O'Callaghan whose family came from Cornmarket, Dublin and originally the O'Callaghan family came from Rathgar, Dublin.