Modern Era · 252th pope in the Annuario Pontificio list

Leo XII

Pontificate

28/09/1823 – 10/02/1829

Birth name

Annibale Francesco Clemente Melchiorre Girolamo Nicola della Genga

Born – died

1760 – 1829

Predecessor

Pius VII

Successor

Pius VIII

A short profile for this pope is in preparation.

List: Wikidata (CC0), ordinals per the Annuario Pontificio, retrieved 2026-10-01. Antipopes are not included. For the current pope, see vatican.va.