Elizabeth Cossart was also known as Elizabeth Cassat. She was baptized on 26 November 1758 at Dutch Reformed Church, Raritan, Somerset County, New Jersey. Elizabeth Cossart was born on 26 November 1758 at Piscataway, Middlesex County, New Jersey. She was the daughter of
Francis Cossart and
Margaret Van Nest. Elizabeth Cossart married
Lawrence Monfort, son of
Jan Monfoort and
Kniertje Marston, in 1774. Elizabeth Cossart died on 15 November 1817 at Warren County, Ohio, at age 58.