E. T. Dailey is a historian and scholar of early medieval Europe whose research focuses on Merovingian Gaul, religious life, and political culture in the early Middle Ages. Her work examines the roles of women, monastic communities, and royal authority in shaping early medieval society. Dailey is the author of Radegund: The Trials and Triumphs of a Merovingian Queen, published by Oxford University Press in 2023. The book studies the life of the sixth century queen and later saint Radegund, analyzing her political influence, religious patronage, and the founding of monastic institutions within the Merovingian kingdom.