The Irish Worker League was an Irish communist party, established in September 1923 by Jim Larkin, following his return to Ireland. Larkin re-established the newspaper The Irish Worker. The Irish Worker League (IWL) superseded the first Communist Party of Ireland and became Irelands affiliate with the Communist International.In July 1924 Larkin attended the Fifth Comintern congress, held in Moscow, and was elected to its executive committee.