Pope Francis: which "Francis" name did he take?

We immediately assumed our new Holy Father took the name Francis in honor of St. Francis of Assisi.  Then we were told the new Pope is a Jesuit, a first, and then we thought of St. Francis Xavier, the great Jesuit Saint.  I even thought about St. Francis de Sales.  Well this article over at CNN answers the question definitvely:

http://www.cnn.com/2013/03/13/world/pope-name/index.html

God Bless Pope Francis!