A French missionary. Founder of the Congregation of Jesus and Mary (Eudists) and the Sisters of Our Lady of Charity of the Refuge. He studied with the Jesuits at Caen. St. John Eudes' parents wanted him to marry but because of his love for the church entered the Congregation of the Oratory of France.
He studied at Paris and at Aubervilliers, was ordained in 1625, and worked as a volunteer, caring for the victims of the plagues that struck Normandy in 1625 and 1631, and spent the next decade giving Missions, building a reputation as an outstanding preacher and confessor and for his opposition to Jansenism. He became interested in helping fallen women, and in 1641, with Madeleine Lamy, founded a refuge for them in Caen under the direction of the Visitandines. He resigned from the Oratorians in 1643 and founded the Congregation of Jesus and Mary (the Eudists) at Caen, composed of secular priests not bound by vows but dedicated to upgrading the clergy by establishing effective seminaries and to preaching missions. His foundation was opposed by the Oratorians and the Jansenists, and he was unable to obtain Papal approval for it, but in 1650, the Bishop of Coutances invited him to establish a seminary in that diocese. The same year the sisters at his refuge in Caen left the Visitandines and were recognized by the Bishop of Bayeux as a new congregation under the name of Sisters of Our Lady of Charity of the Refuge. (catholic.org)
With the approbation of Cardinal de Richelieu and a great number of others, Father Eudes severed his connection with the Oratory to establish the Society of Jesus and Mary (Eudists) for the education of priests and for missionary work. This congregation was founded at Caen on 25 March 1643, and was considered a most important and urgent work.
Father Eudes, during his long life, preached not less than 110 missions, three at Paris, one at Versailles, one at St-Germaine-en-Laye, and the others in different parts of France. Normandy was the principal theatre of his apostolic labours. In 1674 he obtained from Pope Clement X six bulls of indulgences for the Confraternities of the Sacred Heart already erected or to be erected in the seminaries.
He also established the Society of the Heart of the Mother Most Admirable -- which resembles the Third Orders of St. Francis and St. Dominic. This society now numbers from 20,000 to 25,000 members. Father Eudes dedicated the seminary chapels of Caen and Coutances to the Sacred Hearts. The feast of the Holy Heart of Mary was celebrated for the first time in 1648, and that of the Sacred Heart of Jesus in 1672, each as a double of the first class with an octave.
The Mass and Office proper to these feasts were composed by Father Eudes, who thus he briefly preceded his contemporary the Saint Marguerite Marie Alacoque in establishing the devotion to the Sacred Hearts. For this reason, Pope Leo XIII, in proclaiming his virtues heroic in 1903, gave him the title of "Author of the Liturgical Worship of the Sacred Heart of Jesus and Holy Heart of Mary". (wiki.org)
His feast day is August 19.
St. John Eudes, pray for us.