ALL SAINTS CELEBRATED IN AUGUST Saints celebrated on the 19th of August WELCOME! SAINT GUNNINUS, BISHOP OF VANNES O Sacred Heart of Jesus, make my heart like unto Thine. Saint Gunninus, French: St-Guin , Bishop of Vannes in Brittany, is commemorated on August 19. He lived in the 6th century. (Mg.) (Information from Stadler 's Complete Encyclopedia of Saints, Volume 2, Augsburg, 1861, p. 584) Stadler's Complete Encyclopedia of Saints - Sources and Abbreviations PRAYER: Grant, we beseech you, almighty God, that the venerable feast of Saint Gunninus may increase our devotion and promote our salvation. Through our Lord Jesus Christ, your Son, who lives and reigns with you in the unity of the Holy Spirit, God, for ever and ever. Amen. Sources of these articles (in the original German): books.google.co.uk, de-academic.com, zeno.org, openlibrary.org