Came to the United States, 1915, naturalized, 1941. President, director J. E. O’Neill, Inc., Fresno, California, since 1945. Senior vice-president, director Producers Cotton Oil Corporation, Calflax Company.
Director Farmers Market of Fresno. President, director O’Neill Farms, Inc., Huron, California, O’Neill Meat Company, O’Neill Broadcasting Company. Vice-president, director A. M. O’Neill & Sons, Inc.
President United Givers Program, 1959-1960. Director Boys’ Club of Fresno, California.