Seán Creagh was born in County Monaghan in 1977. He attended Our Lady’s Secondary School in Castleblayney and later on Dundalk Institute of Technology. After moving to the U.S and developing an intense interest in Irish-American history he attended Northeastern Illinois University where he achieved an Honors Degree in History as well as Honors in Education. Today he is a middle school Social Studies teacher in Illinois.

His first book was The Wolfhounds of Irish-American Nationalism. Listen to an interview on that here.

In this interview he discusses his second book entitled Republican Solipsist, recently published with Peter Lang

Republican Solipsist: The Life and Times of Joseph Mcgarrity, 1874-1940 (Peter Lang, 2025) discusses the life of Joseph McGarrity and his role within Irish and Irish American Republicanism including the complicated transatlantic relationship between two opposing visions of an independent Ireland. McGarrity’s militant Republicanism came into regular conflict with the reality of the political situation in Ireland. While the role of John Devoy has been well documented in the development of Irish American nationalism in the form of Clan na Gael that of Joseph McGarrity has been less well analyzed. For many historians the central focus of Irish American nationalism during the revolutionary period of 1916–1923 has centered on the Devoy-controlled branch of Clan na Gael. However, this period saw significant influence from McGarrity and the Philadelphia branch of the movement in shaping political events in Ireland which has been largely ignored. The book places McGarrity at the center of Irish Republicanism during one of the most critical periods of its history. It is hard to imagine how militant Irish Republicanism would have evolved had it not been for the role and influence of this long-neglected figure in Irish history.

Aidan Beatty is a lecturer in the history department at Carnegie Mellon University.

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