Abigail was born about 1728, the daughter of unknown parents. The place is not known.
Her husband was Zaccheus Case. They were married, but the date and place have not been found. Their only known child was Sarah (1764-1830).
!Source: “The Humpheys Family in America”, by Frederick Humphreys, MD, et all, New York, Humphreys Print., 1886, page 337, family 2 - youngest branch. Family 33.