Conor Joseph Donnan is a doctoral candidate in the History Department at the University of Pennsylvania and an adjunct professor at Hood College. He received his B.A. in History from Ulster University in Ireland. Afterward, Conor moved to the United States where he obtained a Master’s degree in Historical Studies from the University of Maryland Baltimore County (UMBC). His dissertation reconstructs the interactions of Irish Catholics and Native Americans against the backdrop of American imperial expansion, industrialization, and questions of citizenship in the trans-Mississippi West from 1840 to 1930. He is an active public historian and a board member of the Irish Railroad Workers Museum.