In progress
1 April – Saint Hugh of Grenoble
Saint Hugh in the Refectory by Zurbaran
Lives of the Saints by Sabine Baring-Gould.
2 April – Saint Francis of Paola
The Vision of Saint Francis de Paola by Murillo.
18C Saint Francis of Paola in Ecstasy
18C Miracle of Saint Francis of Paola (see also)
Memorials of the Blessed: A Series of Short Lives of the Saints by Charles B. Fairbanks.
5 April – Saint Vincent Ferrer
Predella of the Polyptych of Saint Vincent Ferrer by Giovanni Bellini
Griffoni Polyptych by Francesco del Cossa
15C Saint Vincent Preaching before a Pope
The Fairest Flower of Paradise: Considerations on the Litany of the Blessed Virgin, Enriched with Examples Drawn from the Lives of the Saints by Alexis Lepicier.
11 April – Saint Leo the Great
Raphael’s painting of The Meeting between Pope Leo the Great and Attila the Hun in the Stanza di Heliodoro in the Vatican (see also and historical accounts of the meeting)
True Historical Stories for Catholic Children by Josephine Portuondo.
13 April – Saint Hermengild
17C Triumph of Saint Hermengild
The Liturgical Year by Dom Guéranger.
14 April – Saints Tibertius, Valerian, and Maximus
The Liturgical Year by Dom Guéranger.
The Martyrs Cecilia, Valerian and Tiburtius by Orazio Gentileschi
23 April – Saint George
Saint George Slaying the Dragon by Carlo Crivelli.
Saint George Slaying the Dragon by Luca Signorelli.
Saint George Slaying the Dragon by Paolo Uccello.
Saint George Slaying the Dragon by Tintoretto.
Stories of the Saints for Children Second Series by Mary Seymour.
29 April – Saint Peter of Verona
Giovanni Bellini, Death of Saint Peter Martyr
Stories of the Saints Fifth Series by Mary Seymour.
30 April – Saint Catherine of Siena
Disputation of Saint Catherine in the Palazzi Pontifici in the Vatican
Piccolimini Library in the Duomo of Siena – Canonization of Saint Catherine
Maidens of Hallowed Names by Charles Piccirillo.