↑ "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. 5, p. 40.
The children of John & Mercy Thorn of Flushing: ... Joanna Thorn was born the 4th of 3 months called May, 1740.