The file I have starts with John McQuigg, b. 1706 of Scottish descent, lived in Northern Ireland before coming to America,d. 1794 in NH. John's son, David b. 1752 in Bedford, NH. Dropped the "Mc" from his name and went by David Quigg.He died 1817, in Litchfield, NH. David's son, David Quigg, Jr. b. 1781 in Litchfield, NH.d. 12/17/1862 in Ithaca, NY. I'm afraid your line isn't mentioned in my file.