The Irish Republican Socialist Movement (IRSM) is an umbrella term for:
Ross, F. Stuart (2011). Smashing H-block The Rise and Fall of the Popular Campaign Against Criminalization, 1976-1982. Liverpool University Press. p. 182. ISBN 9781846317439. In 1984, the IRSP publicly declared itself a Marxist–Leninist party
"RepublicanSocialistProgramme-1.pdf" (PDF). Irish Republican Socialist Party. 2018. Retrieved 3 February 2024. The aim of the party would be to end imperialist rule in Ireland, and establish a thirty-two-county democratic socialist republic with the working class in control of the means of production, distribution and exchange.
Morrison, John F. (13 August 2015). The Origins and Rise of Dissident Irish Republicanism: The Role and Impact of Organizational Splits (1st ed.). Bloomsbury Publishing. ISBN 978-1-5013-0923-6. This chapter covers the relatively short process which resulted in the division in the Official Republican Movement resulting in the formation of the Irish Republican Socialist Movement (IRSM) which consisted of an armed wing, the Irish National Liberation Army (INLA) and a political wing, the Irish Republican Socialist Party (IRSP)
"IRSCNA Easter Statement". Irish Republican Socialist Party. 12 April 2009. Retrieved 4 February 2024. We are honored to continue supporting the IRSP and Teach Na Failte, and representing them in North America.