The Martyrology of Tallaght, which is closely related to the Félire Óengusso or Martyrology of Óengus the Culdee, is an eighth- or ninth-century martyrology, a list of saints and their feast days assembled by Máel Ruain and/or Óengus the Culdee at Tallaght Monastery, near Dublin. The Martyrology of Tallaght is in prose and contains two sections for each day of the year, one general and one for Irish saints. It also has a prologue and an epilogue.