Abigail was born about 1780. She is the daughter of Richard Mott.
Sources
Named in GrandFather's 1805 Will
Jacob Mott of Oyster Bay, Queens County, New York, yeoman
Written: 23 August 1803
Proved: 18 November 1805
Names children and grandchildren:
Daughter: Ruth deceased and her children: William Lawrence, Mariam Lawrence, Deborah Lawrence
Son: Joseph deceased and his daughter Phebe Mott (not yet of age)
Unfortunate daughter: Mariam Birdsall wife of Benjamin Birdsall and her son Benjamin Mott Birdsall
Son: Jacob Mott
Son: Jackson Mott
Son: Richard Mott, his wife Mother Mott deceased, and their five children: Abigail wife of Isaac Kirby, Phebe Mott, Elisha Mott, Jacob Mott, Joseph Mott (last four not yet 21)
Son: Isaac Mott, deceased and his children: Samuel Mott, Jordan Mott, Jacob Mott and Jereishe wife of George Streback
Names granddaughter: Abigail wife of Morris Carpenter
Names: Elizabeth Smith widow of Samuel Smith, deceased of Poughkeepsie
Executors: kinsman John M Smith and neighbour Richard Townsend, son of Timothy Townsend
New York Probate Records, 1629-1971 Queens Wills 1800-1807 vol B page 287 (found on page 156 o 202)