St. Michael the Archangel, St. Patrick, St. Francis of Assisi, St. Valentine and St. Christopher are five of the most commonly known saints. St. Michael the Archangel is commonly associated with the battle between heaven and hell. St. Francis of Assisi is the patron of animals, merchants and ecology. St. Patrick is Ireland's patron saint. St. Valentine is commonly associated with courtly love. St. Christopher is associated with safe travel.
Michael, together with Saint George, are the patron saints of chivalry. They are considered the patron saints of police officers, paramedics, firefighters and the military.
St Patrick spread the gospel by showing people the shamrock, a three-leafed plant. He used it to illustrate the Christian teaching of three persons in one God
St. Francis of Assisi believed that nature itself was the mirror of God. He is often represented in art surrounded by animal and nature. He represents man's relationship with nature.
St. Valentine was arrested and put into prison for marrying Christian couples during a time when the Roman state forbade Christianity. He is often represented by hearts and flowers.
St. Christopher is especially revered by athletes, mariners, ferrymen and travelers. He is often symbolized as a tree, branch, or as a giant or ogre or carrying Jesus.