Pope Francis Birthday Special: Pope Francis, born Jorge Mario Bergoglio celebrates his 83rd birthday today, December 17, 2019. Born in Buenos Aires, Argentina, he entered the novitiate of the Society of Jesus in March 1958. On March 13, 2013, he was named the 266th pope of the Roman Catholic Church, becoming the first citizen from the Americas, the first non-European and first Jesuit priest to be named pope.