The Socialist Labor state convention met on June 8, 1900, at 6, Reade Street in Manhattan. Hugo Voght, of New York City, was chairman. They nominated Charles H. Corregan for governor; Leander A. Armstrong, of Buffalo, for lieutenant governor; Joseph H. Sweeney, of Westchester County, for Secretary of State; J. E. Alexander, of Albany, for treasurer; Eustis Ebert, of New York City, for attorney general; A. S. Brown, of New York City, for comptroller; and John E. Wallace, of Troy, for state engineer.
Delegates of the Socialist Democratic Party f New York and the seceding faction of the Socialist Labor Party met in state convention on June 16 at the Labor Lyceum in Brooklyn, and merged to form the Social Democratic Party of New York. V. S. Wirth, of Patchogue, was Temporary Chairman until the election of Morris Hillquit as Permanent Chairman. They nominated Benjamin Hanford for governor; William Butscher for lieutenant governor; Philip Jackson for Secretary of State; Eugene V. Brewster, of New York City, for attorney general; Frank Sieverman, of Rochester, for comptroller; Leonard D. Abbott, of New York City, for treasurer; and Henry Stahl, of New york City, for state engineer.
The Prohibition state convention met on July 24 at the Summit Park near Utica, New York. Henry W. Wilbur, the 1898 nominee for Secretary of State, was Temporary Chairman. They nominated William T. Wardwell, of New York City for governor; Albert J. Rumsey, of Batavia, for lieutenant governor; Joseph V. Baker, of Gouverneur, for Secretary of State; Mason N. Weed, of Montour Falls, for comptroller; Fred W. Hewitt, of Granville, for treasurer; Dexter D. Dorn, of Jamestown, for attorney general; and Emmett F. Smith, of Patchogue, for state engineer.
The Republican state convention met on September 4 and 5 at Saratoga, New York. Nevada Stranahan was permanent chairman. Benjamin B. Odell, Jr., the Chairman of the Republican State Committee and chief lieutenant of boss Thomas C. Platt, was nominated for governor after his name was proposed by Ex-Governor Frank S. Black and a roll call in which all 971 votes were cast for the only candidate. Odell was chosen to succeed the incumbent Theodore Roosevelt who had been nominated earlier that year for U.S. Vice President. All other incumbent state officers were re-nominated by acclamation. Comptroller Morgan died on the day the nominations were made. On September 13, the Republican State Committee met at the Fifth Avenue Hotel, and substituted Erastus C. Knight on the ticket.
The Democratic state convention met on September 11 and 12 at Saratoga, New York. Patrick H. McCarren was Temporary Chairman until the choice of George Raines as Permanent Chairman. John B. Stanchfield, Richard Croker's candidate, was nominated for governor on the first ballot defeating Bird Sim Coler who had been proposed by David B. Hill. (vote: Stanchfield 294, Coler 154, Mackey 1). The other candidates were nominated by acclamation.