Vatican City, Saint Adamnan

• Vatican City
• Saints Vitalis and Agricola
• Saints Vitus, Modestus, and Crescentia
• Saint Abban of Magheranoidhe
• Saint Abban of New Ross
• Saint Abban the Hermit
• Saint Acca
• Saint Adalard
• Saint Adalbert of Prague
• Saint Adamnan
• Saint Adamnan Works
• Saint Adeodatus II
• Saint Ado of Vienne
• Saint Adrian of Canterbury
• Saint Adrian of Nicomedia
• Saint Aelred of Rievaulx
• Saint Aengus the Culdee