It's the first time the name is being used by a pope, said CNN Vatican expert John Allen.
Pope Francis chose his name in honor of St. Francis of Assisi because he is a lover of the poor, said Vatican deputy spokesman Thomas
"Cardinal Bergoglio had a special place in his heart and his ministry for the poor, for the disenfranchised, for those living on the fringes and facing injustice," Rosica said.
St. Francis, one of the most venerated figures in the Roman Catholic Church, was known for connecting with fellow Christians, Rosica added.
Allen described the name selection as "the most stunning" choice and "precedent shattering."
"There are cornerstone figures in Catholicism," such as St. Francis, Allen said. Figures of such stature as St. Francis of Assisi seem "irrepeatable -- that there can be only one Francis," he added.
The name symbolizes "poverty, humility, simplicity and rebuilding the Catholic Church," Allen said. "The new pope is sending a signal that this will not be business as usual."
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