Ernest Isadore Hatfield (April 23, 1890 – March 1977) was an American politician from New York.
He was born on April 23, 1890, in Valhalla, Westchester County, New York, the son of Gilbert Joshua Hatfield (1836-1922) and Adele Marie Antoinette (Ledelley) Hatfield (1849-1924).
[1] He attended the public schools, and Eastman-Gaines Business College in New York City.
He engaged in the real estate and insurance business, and later also in banking, in Poughkeepsie.
He owned a 400-acre farm in Hyde Park, Dutchess County, New York.