Mary Winslow

Mary Winslow is the sixth great grandmother of Rachel Wilcox Liberacki.


Josiah Winslow
Margaret Bourne


John Tracy


Josiah Tracy
John Tracy
Elizabeth Tracy
Joseph Tracy
Winslow Tracy

Mary Winslow was born in Marshfield, Massachusetts on 30 November 1646. She was the niece of Governor John Winslow.

Mary married John Tracy in 1670.1

Mary died in July 1721.2

1Sources list the date as June 10, June 17, and August 17.
2Sources list the date as both July 21 and July 30.



Abbey, Matilda O. Genealogy of the Family of Lt. Thomas Tracy. of Norwich, Conn. Milwaukee: D.S. Harkness, 1888.

Caulkins, Frances Manwaring. History of Norwich Connecticut from Its Posession by the Indians to the Year 1866. np: Friends of the Author, 1874.

The Celebration of the One Hundred and Fiftieth Anniversary of the Primitive Organization of the Congregational Church and Society, in Franklin, Connecticut, October 14th, 1868. New Haven, CT: Tuttle, Morehouse, and Taylor. 1869.

Cutter, William Richard. (ed.) Genealogical and Family History of Western New York: A Record of the Achievements of Here People in the Making of a Commonwealth and the Building of a Nation.. Vol. 2. New York: Lewis Historical Publishing Company, 1912.

Variola Virus that causes smallpox
In June 1721, Dr. Zabdiel Boylston gave the first small pox vaccinations in the British Colonies.