Patron Saints of Missions

2 saints whom Church sources name as patrons of missions, with the quoted source. Read their stories on Light of Saints.

Saint Francis XavierAnd Xavier is the patron of missions, like Saint Therese of the Child Jesus. Source: vatican.vaFrancis Xavier, a bright young man, left a worldly career after meeting Ignatius of Loyola and sailed to Maluku to teach the faith in local-language songs.
Saint Thérèse of Lisieuxhe proclaimed her patron of the missions along with St Francis Xavier. Source: vatican.vaThe story of Saint Thérèse of Lisieux, a Carmelite nun who found the little way and clung to Jesus through illness and darkness of faith until her death at 24.

Patronage is a devotional tradition of the Church, not a promise. We list only patronages written in the source quoted.