St. Jerome is the Patron Saint of librarians.  He translated the Old Testament from Hebrew and the New Testament from Greek into Latin.  This translation is called the Vulgate.

The Patron Saint of England is St. George.  He is also the Patron of Portugal, Germany, Aragon, Genoa, and Venice, as well as knighthood and soldiers.  His feast day is April 23rd.

St. John Baptist de la Salle is the Patron Saint of teachers.  He lived from 1651 - 1719.  He opened a school for poor boys in 1679 in Rheims, France.  He is the Founder of the Christian Brothers, an order of teachers.  Archbishop O'Hara High School is a Christian Brothers school.

St. Elmo is the Patron Saint of sailors.  He is better known by the name Erasmus and was Bishop of Formiae, Italy.  The blue storm lanterns used on ships are also called St. Elmo lights.

St. Mary MacKillop, also known as St. Mary of the Cross, was canonized on October 17, 2010.  She is the first recognized Australian saint.  Her motto is said to have been "Never see a need without doing something about it."

The Patron Saint of scientists is St. Albert the Great.  He was a famous 13th century Dominican philosopher and theologian.  He died in 1280.

St. Catherine Caboure is the Promulgator of the Miraculous Medal.  Her fesast day is November 25th.

St. Sebastian is the Patron Saint of athletes.  His feast day is January 20th.  He is a well-known Roman Martyr.  He was an officer in the imperial army.

St. Frances Xavier Cabrini is the first US citizen to be canonized.  She is the Patron of immigrants.  Her feast day is November 13th.