Hi Dave, This is what I have from "Murdock Genealogy" by Joseph B. Murdock 1925.pg.55.
4080. JOHN (Samuel, Samuel, Robert) was born in Windham, Ct, Oct 23, 1760.He married first, Eleanor Riggs, and second, Betsey Shepherd.She died in 1813, and he married, third, Mrs. Williams.John left Ct as a young man and settled in Harpersfield, Delaware County, NY, in 1785.He lived there and in the adjoining of town of Kortright, which was set off from Harpersfield, for many years.He died in Mohican, Ashland County, Ohio. Children by 1st wife: James Savageb. 3/1/1786 m. Clarissa Davis. He went to Mercer County, Pa., and finally moved West. (no further record) Edward Riggs b. 11/11/1787. Polly b. 4/15/1791; d. 1/10/1792. John b. 7/15/1792 Samuel, b. 8/23/1794
Children of Betsey Shepherd, born in Kortright: Sally Betsey b. 9/10/1799 Eleanor Maria b. 5/9/1801 Jesse Shepherd b. 8/12/1803; m. Polly Wilcox. Emeline b. 2/24/1807.
Children of third wife: Mary Ann b. 10/29/1818. Jefferson b. 5/14/1822.
This is all info for Mary Ann, hope it was of some help to you!Steph