He was born in Roman Britain around the end of the 4th century, and died in Ireland about the middle of the 5th century. As a missionary bishop, he endured many hardships and faced opposition even from his friends and fellow Christians. Nevertheless, he worked hard to conciliate, to evangelize, and to educate local chieftains and their families. He is remembered for his simplicity and pastoral care, for his humble trust in God, and for his fearless preaching of the gospel to the very people who had enslaved him in his youth. See the articles in Wikipedia and the Catholic Encyclopaedia.

Leo was born in Etruria and became Pope in 440. He was a true shepherd and father of souls. He constantly strove to keep the faith whole and strenuously defended the unity of the Church. He repelled the invasions of the barbarians or alleviated their effects, famously persuading Attila the Hun not to march on Rome in 452, and preventing the invading Vandals from massacring the population in 455.

Violet is a dark colour, ‘the gloomy cast of the mortified, denoting affliction and melancholy’. Liturgically, it is the colour of Advent and Lent, the seasons of penance and preparation.