(1413-1463) Virgin, Poor Clare, mystical writer, born Bologna, Italy; died there. She entered at Ferrara a community of Dominican tertiaries whom she induced to adopt the Rule of Saint Clare. Other monasteries were founded at Cremona and Bologna, of which latter Catherine became abbess. She wrote a "Treatise on the Seven Spiritual Weapons." Patroness of the Academy of Art, Bologna. Canonized, 1712. Relics in chapel of her monastery, Bologna. Feast, O.F.M., March 9,.