This study reaffirms the traditional theory of processional staging of the cycle of plays, collectively known as the Corpus Christi Play, that was performed at York in the fifteenth and sixteenth centuries. Because comparative studies of the various cycles are of little value, this thesis focuses on an examination of surviving civic records, as well as current scholarship, to confirm that the plays at York were performed processionally. An analysis of the relationship between the liturgical Corpus Christi procession and the Play indicates that the two, although concurrent, were separate events.