The Catholic Encyclopedia says, [quote:2548q2tf]That every individual soul has a guardian angel has never been defined by the Church, and is, consequently, not an article of faith; but it is the “mind of the Church”, as St. Jerome expressed it: “how great the dignity of the soul, since each one has from his birth an angel commissioned to guard it.” (Comm. in Matt., xviii, lib. II). [/quote:2548q2tf]
The full article and a link to the Feast of the Guardian Angels can be found at….