Career
In 1916 he ran unsuccessfully for Governor of New Jersey. He played a major role in the growth of Haworth, New Jersey where he founded the Haworth Country Club. He was chairman of the Franklin Society for Building and Savings.
He was a dedicated advocate of Georgism.
He was born on September 11, 1860 in Waterford, Ireland and had a brother John Aloysius Hennessy. He migrated from Ireland to Brooklyn, New York and then to Bergen County, New Jersey where he lived in Haworth, New Jersey.
In 1916 he ran unsuccessfully for Governor of New Jersey. He served a single two-year term in the New Jersey General Assembly before being elected to the New Jersey Senate.
He died on October 19, 1936 at age 76 in Haworth, New Jersey.