↑ "Records of the Society of Friends of the City of New York and Vicinity, from 1640 to 1800", in The New York Genealogical and Biographical Record. (New York, New York: New York Genealogical and Biographical Society) Vol. 4, p. 35.
The children of James and Hannah Cock, of Mattanack: Sarah Cock was born ye 24 d. 12 mo., 1700. [Note: In old-styles dates, the twelfth month is February. For comparison to the modern calendar, it corresponds to the following year. More info may be found here.]
