2024
Ian Delahanty, Embracing Emancipation: A Transatlantic History of the Irish Americans, Slavery, and the American Union, 1840-1865
Honorable Mention: Marion R. Casey, The Green Space: The Transformation of the Irish Image
2023
Christopher Morash, Young Ireland: A Global Afterlife, New York University Press
Honorable Mention: Patrick O’Malley, The Irish and the Imagination of Race: White Supremacy Across the Atlantic in the Nineteenth Century, University of Virginia Press
2022
Sophie Cooper, Forging Identities in the Irish World: Melbourne and Chicago, c. 1830-1922, Edinburgh University Press
Honorable Mention: Mary Burke, Race, Politics, and Irish America: A Gothic History, Oxford University Press
2021
Bernadette Whelan, De Valera and Roosevelt, Cambridge University Press
2020
Éimear O’Connor, Art, Ireland, and the Irish Diaspora: Chicago, Dublin, New York 1893-1939 Culture, Connections, and Controversies,/em>, Irish Academic Press