TheIrish Socialist Federation (ISF) was an organization which was active in theUnited States and was founded byJames Connolly and others.^[1] It had branches in New York and Chicago. In March 1907, acéili was held to launch the organization. The aim of the party was to raiseclass consciousness among Irish emigrants in America. Members includedJames Connolly, ex-ISRP members Jack Mulray and John Lyng,Patrick L. Quinlan, andElizabeth Gurley Flynn. It was initially aligned to theSocialist Labor Party of America, but later supported theSocialist Party of America.^[2] The official newspaper of the organization was known as 'The Harp'.^[3]

• Declaration of Principles of the Irish Socialist Federation by James Connolly in The Harp (1908)

• 1907 establishments in the United States
• Anti-imperialist organizations
• Defunct socialist organizations in the United States
• Irish-American culture in Chicago
• Irish-American culture in New York City
• Irish republican organisations
• Organizations established in 1907
• Socialist Labor Party of America
• Factions of the Socialist Party of America
• Political parties and organisations of the Irish diaspora
• Socialism in Illinois
• Socialism in New York (state)

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