Hawley, Gideon was born on November 5, 1727 in Stratfield, Connecticut, United States. Son of Gideon and Hannah (Bennett) Hawley.
Graduated from Yale, 1749.
Missionary to Indians at Stockbridge, Massachusetts, 1752. Established mission among the Six Nations on the Susquehanna River, 1754-1756, acted as interpreter. Went on temporary mission to Indians, Marshpee, Massachusetts, 1758, Indians petitioned to have him made permanent minister, requested granted by Commissioners of Society for Propagating Gospels.