St. Boniface sister parish is Nuestra Senora de la Asuncion of Temozon in the Yucatan diocese.
The Sister Parish Program is just one part of Mission of Friendship, the mission program resulting from 37 year Sister Diocese relationship between the Diocese of Erie and the Archdiocese of Yucatan in Mexico. The purpose of the program is for parishes in each diocese to build mutual friendships with parishes in the other. The potential for these relationships is limitless. Parishioners in both countries have the opportunity to share and thus strenghten their faith and to learn in depth about the culture and lives of their brothers and sisters in Christ.