The Feast of St. Nicolas, December 6, celebrates one of the fathers of the Church who fiercely defended the Faith against the Arian heresy, which denied the divinity of Christ. By his defense along with the other bishops at the Council of Nicea, it was made clear that Mary is the Mother of God. 

The Feast of St. Ambrose, December 7, honors an early doctor of the Church who also stood against Arianism and studied the role of the Blessed Virgin Mary as the Mother of God, asserting Christ’s divinity and Mary’s purity. 

The Solemnity of the Immaculate Conception, December 8, is a Holy Day of Obligation that celebrates Mary Immaculate, pure and spotless from the moment of her conception.  

The Feast of Our Lady of Guadalupe, December 12, commemorates the apparition in 1532 of the Virgin Mary to St. Juan Diego, an indigenous Catholic of Mexico. A miraculous image of Our Lady of Guadalupe appeared on Juan Diego’s tilma and was the source of conversion for millions of native people. This image still exists for all to see and venerate nearly 500 years later.  

The Nativity of our Lord, December 25, celebrates the birth of Jesus Christ in Bethlehem to the Virgin Mary. The Incarnation and birth of Christ revealed God’s love for humanity through His identification with humankind. He gained this human nature through His Mother, the Immaculate Virgin Mary.  

The Feast of the Holy Family of Jesus, Mary, and Joseph, December 31, encourages Catholics to seek inspiration and guidance from the purity of the Holy Family as they navigate their own family lives.

St. John the Evangelist, December 27, commemorates the beloved apostle of Jesus and the one to whom Jesus entrusted His Mother, the Virgin Mary.