William Connor Hennessy (1926 or 1927 - November 2, 2001)[1] was an American civil servant and political figure. From 1982 to 1984, Hennessy served as chairman of the New York Democratic Party.
In July 1987, Hennessy was appointed chairman of the New York State Thruway.[3] He resigned the position in 1988.[4]
Governor Mario Cuomo chose Hennessy as chairman of the state Democratic Party in 1982.[5][6] As chairman, Hennessy improved the party's finances. He resigned in 1984, citing health reasons.[7]