The Feast of Saint Joseph on March 19 evolved from local Western calendar observances by the 10th century, but was officially added to the Roman Calendar around 1479 during the pontificate of Pope Sixtus IV. Pope Pius V extended it to the universal Church in 1570 via his Apostolic Constitution Quo primum.
Champions of the Devotion
Figures like St. Bernardine of Siena, St. Vincent Ferrer, and the theologian Jean Gerson, who composed an Office of the Espousals of Joseph in 1400, actively promoted devotion to the saint. Gerson was particularly vocal at the Council of Constance in 1414, urging formal Church recognition.
Their efforts were rewarded under Pope Sixtus IV, who added the Feast of Saint Joseph to the Roman Calendar on March 19 around 1479. The feast was initially ranked as a simple celebration. Pope Innocent VIII elevated it to a double rite, and Pope Gregory XV declared it a holy day of obligation in 1621 at the urging of the Habsburg emperors.



