Biography (Wikipedia)
Biography (The Library Company of Philadelphia)
Isabella Marshall Graham was buried in New York City, New York.
The Power of Faith: Exemplified in the Life and Writings of the Late Mrs. Isabella Graham, of New-York (1816)
The Unpublished Letters and Correspondence of Mrs. Isabella Graham, From the Year 1767 to 1814; Exhibiting Her Religious Character in the Different Relations of Life (1838)