'Active Speech' is a groundbreaking collection of scholarly essays and practitioner interviews focused on the work of Irish playwright Teresa Deevy. Acts of recovery in the 1980s and 1990s challenged Deevy's exclusion from the literary canon, reclaiming her contributions as significant to Irish drama and theatre. The recent resurgence of scholarship and productions evidences that, as a deafened woman and Irish playwright, Deevy's creative power continues to disrupt and tilt the canon of Irish drama, theatre, and performance. Essays within the collection explore how Deevy's work interrogates early to mid-twentieth century Irish social norms and ideologies and provide a rich context for understanding her plays. The collection highlights the interdisciplinary nature of research on Deevy and offers insights on her work through archival research, literary analysis, and practitioner perspectives from Deaf and hearing theatremakers. One of the collection's strengths lies in its collaborative and inclusive approach, showcasing diverse methodologies and rigorous scholarship. The chapters on archival research and practitioner perspectives offer compelling models and avenues for future studies. This volume is an essential resource for scholars, educators, and theatremakers alike.