December is the most wonder-filled month of the year, carrying us through Advent to the manger in Bethlehem. Dedicated to the Immaculate Conception, the month’s devotion, it overflows with beloved feasts—St. Nicholas, Our Lady of Guadalupe, St. Lucy, and, at its heart, the birth of Jesus at Christmas. These feast days give families simple, joyful ways to keep Christ at the center of the season.

Monthly Overview

Tap any feast below to jump straight to it. ↓

• Monthly Devotion: The Immaculate Conception

• Key Feast Days & Saint Celebrations:

  • December 3: St. Francis Xavier

  • December 6: St. Nicholas of Myra

  • December 8: The Immaculate Conception

  • December 12: Our Lady of Guadalupe

  • December 13: St. Lucy

  • December 25: Christmas

  • December 26: St. Stephen the Martyr

  • December 27: St. John the Apostle

About the Monthly Devotion: The Immaculate Conception

December is dedicated to the Immaculate Conception of Mary—the beautiful truth that God preserved Mary free from sin from the very first moment of her life, preparing her to be the mother of Jesus. As we journey through Advent toward Christmas, this devotion invites us to make our own hearts ready and pure to welcome the newborn King.

Family Ideas for December:

• Set up a Nativity scene and add figures as Christmas draws near.

• Light an Advent wreath candle together each week.

• Pray a family Rosary, especially the Joyful Mysteries.

• Do a secret act of kindness to prepare your heart for Jesus.

Bring the December devotion into your mornings. Our Catholic Morning Menu features a cover and tracing page for each month’s traditional devotion—including December’s devotion to the Immaculate Conception—plus prayers, a Bible memory verse, the liturgical season, and gentle preschool learning to start each day with the faith. See the Catholic Morning Menu →

December 3: St. Francis Xavier

Fun Facts:

1. St. Francis Xavier was one of the first Jesuits and a close friend of St. Ignatius of Loyola.

2. He traveled extensively to spread Christianity, including India, Japan, and Southeast Asia.

3. He is the patron saint of missionaries.

Ways to Celebrate:

• Pray for missionaries around the world who are spreading the faith.

• Learn about a country where St. Francis Xavier preached the Gospel.

• Make a map craft showing his missionary journeys.

• Write a letter to encourage someone in your life to grow in their faith.

• Say a prayer asking for St. Francis Xavier’s intercession to strengthen your faith.

His Story:
St. Francis Xavier was born in Spain in 1506 and became one of the very first Jesuits, alongside his good friend St. Ignatius of Loyola. On fire with love for Jesus, he set sail across the world to share the Gospel, traveling to India, Southeast Asia, and Japan—farther than almost any missionary before him. He baptized many thousands of people and never stopped longing to bring Christ to more. He is honored as the patron saint of all missionaries.

What Kids Can Learn from St. Francis Xavier:
The Good News of Jesus is meant to be shared. We can be “little missionaries” by telling others about God’s love, right where we are.

A Little Prayer:
St. Francis Xavier, you carried the love of Jesus across the world. Help our family to share our faith joyfully with everyone we meet. St. Francis Xavier, pray for us. Amen.

December 6: St. Nicholas of Myra

Fun Facts:

1. St. Nicholas inspired the modern-day Santa Claus.

2. He was known for his generosity, especially to children and the poor.

3. One of his most famous acts was secretly giving dowries to save three sisters from poverty.

Ways to Celebrate:

• Leave small treats or gifts in your shoes, a tradition inspired by St. Nicholas.

• Read a story about his life and acts of kindness.

• Use our free St. Nicholas Activities printable! Includes coloring page, letter to St. Nicholas, and orange garland craft.

• Create a giving jar to collect money for the poor.

• Say a prayer to ask St. Nicholas to help you grow in generosity.

His Story:
St. Nicholas was a bishop who lived in Myra (in modern-day Turkey) in the 300s. He loved God and was famous for his secret generosity, especially to children and the poor. One beloved story tells how he quietly tossed bags of gold through a window to provide for three poor sisters, saving them from a hard fate. His kindness was so legendary that, centuries later, he inspired the figure of Santa Claus. St. Nicholas shows us that the best gifts are often given quietly, out of love.

What Kids Can Learn from St. Nicholas:
Real giving comes from a loving heart and doesn’t need to be noticed. We can bring Jesus’ love to others through quiet, generous kindness.

A Little Prayer:
St. Nicholas, you gave in secret and cared for the poor. Help our family to be generous and kind, giving joyfully to others as you did. St. Nicholas, pray for us. Amen.

Check out our Preparation for St. Nicholas Day post for even more ideas!

December 8: The Immaculate Conception

Fun Facts:

1. The Immaculate Conception refers to Mary being conceived without original sin.

2. This doctrine was formally declared by Pope Pius IX in 1854.

3. Mary is the patroness of the United States under this title.

Ways to Celebrate:

• Attend Mass to honor Mary’s special role in salvation history.

• Create a craft of a lily to symbolize Mary’s purity.

• Pray a decade of the Rosary, focusing on the Joyful Mysteries.

• Talk about the meaning of the Immaculate Conception with your family.

• Say the Hail Mary, asking for Mary’s intercession.

The Story:
The feast of the Immaculate Conception, on December 8, celebrates a beautiful gift God gave to Mary: from the very first moment of her life, she was preserved free from all sin. God prepared her in this special way so that she could become the pure and holy mother of Jesus. This teaching was solemnly proclaimed by Pope Pius IX in 1854, and Mary is honored under this title as the patroness of the United States. It is a Holy Day of Obligation, so families gather for Mass.

What Kids Can Learn from the Immaculate Conception:
God prepared Mary with a special grace so she could say a perfect “yes” to Him. Mary shows us the beauty of a heart that belongs completely to God.

A Little Prayer:
Immaculate Mary, kept free from sin by God’s love, pray for our family. Help us to keep our hearts pure and to say “yes” to God like you did. Amen.

December 12: Our Lady of Guadalupe

Fun Facts:

1. Mary appeared to St. Juan Diego in 1531 in Mexico.

2. Her miraculous image was imprinted on St. Juan Diego’s tilma.

3. She is the patroness of the Americas and the unborn.

Ways to Celebrate:

• Make a rose craft to remember the roses Our Lady gave to St. Juan Diego.

• Read the story of Our Lady of Guadalupe’s apparition.

• Prepare a Mexican meal to honor her cultural significance.

• Light a candle and pray for the unborn and families in need.

• Say a prayer asking for Our Lady’s intercession for peace and protection.

The Story:
In December 1531, the Blessed Mother appeared to a humble man named St. Juan Diego on a hillside in Mexico. She spoke to him tenderly in his own language and asked that a church be built. As a sign, she filled his cloak—called a tilma—with roses in the middle of winter, and when he opened it before the bishop, a miraculous image of Our Lady was found imprinted there. That very image can still be seen today. Our Lady of Guadalupe is the patroness of the Americas and of the unborn, and she reminds us of God’s tender love for every person.

What Kids Can Learn from Our Lady of Guadalupe:
God loves every single person, no matter who they are or where they come from. Mary is a loving mother who always brings us close to Jesus.

A Little Prayer:
Our Lady of Guadalupe, you came with love and roses to show God’s care. Watch over our family and all your children in the Americas. Our Lady of Guadalupe, pray for us. Amen.

December 13: St. Lucy

Fun Facts:

1. St. Lucy is the patron saint of the blind and those with eye problems.

2. Her name means “light,” and her feast day is tied to festivals of light in many cultures.

3. She is often shown holding a palm branch and a pair of eyes on a plate.

Ways to Celebrate:

• Light candles or string up lights to celebrate St. Lucy’s feast.

• Read about her life and her brave faith.

• Make a crown of candles (or paper) to wear in her honor. We have one already made for you in our Advent & Christmas Playschool Kit!

• Bake St. Lucy’s buns or another festive treat to share with family.

• Say a prayer asking St. Lucy to help you see God’s light in your life.

Her Story:
St. Lucy was a young girl in Sicily in the early days of the Church, and her name means “light.” She loved Jesus so much that she gave her belongings to the poor and promised her whole life to Him. During a time when Christians were being persecuted, she bravely refused to give up her faith and became a martyr. Because her name means “light,” her feast in the darkest part of winter has become a festival of candles and light in many countries. St. Lucy reminds us that the light of Christ shines even in the darkest times.

What Kids Can Learn from St. Lucy:
Jesus is our light, and we can carry His light to others by being brave and kind. Even in dark or hard times, God’s light never goes out.

A Little Prayer:
St. Lucy, you carried the light of Christ with a brave and loving heart. Help our family to shine with God’s light and to be kind to those in need. St. Lucy, pray for us. Amen.

December 25: Christmas

Fun Facts:

1. Christmas celebrates the birth of Jesus Christ, our Savior.

2. The word “Christmas” comes from “Christ’s Mass.”

3. Jesus was born in Bethlehem, fulfilling Old Testament prophecies.

Ways to Celebrate:

• Attend Mass to celebrate Jesus’ birth.

• Set up a Nativity scene to reflect on the holy night.

• Read the story of Jesus’ birth in the Gospel of Luke.

• Sing Christmas carols as a family. Our Little Book of Christmas Carols is perfect for this!

• Say a prayer of thanksgiving for God’s gift of Jesus to the world.

The Story:
On December 25, we celebrate the most joyful feast of all—the birth of Jesus, our Savior. Long ago in the little town of Bethlehem, Mary gave birth to the Son of God and laid Him in a manger, just as the prophets had foretold. Angels announced the good news to shepherds, and later wise men came to adore Him. The word “Christmas” comes from “Christ’s Mass.” On this holy day we remember that God loved us so much that He became one of us, a tiny baby, to save the whole world.

What Kids Can Learn from Christmas:
God loved us so much that He sent His own Son to be with us. Christmas is about the greatest gift of all—Jesus.

A Little Prayer:
Baby Jesus, thank You for coming to be with us on Christmas. Be born in our hearts and in our home, and help our family to love You more each day. Amen.

December 26: St. Stephen the Martyr

Fun Facts:

1. St. Stephen was the first Christian martyr.

2. He is the patron saint of deacons and stonemasons.

3. His story is told in the Acts of the Apostles (Chapters 6–7).

Ways to Celebrate:

• Read about St. Stephen in the Bible.

• Make a craft of stones to remember his story.

• Pray for those who are persecuted for their faith.

• Help someone in need, following St. Stephen’s example of charity.

• Say a prayer asking St. Stephen to help you stay strong in your faith.

His Story:
St. Stephen was one of the first deacons of the Church, chosen to help care for the poor and the widows. He was full of faith and courage, and he preached about Jesus so boldly that some people became angry. St. Stephen became the very first Christian martyr, giving his life for Jesus. Even as it happened, he forgave those who hurt him and asked God to forgive them too, just as Jesus had done on the Cross. His feast comes right after Christmas, reminding us that following Jesus takes both love and courage.

What Kids Can Learn from St. Stephen:
Following Jesus means loving even those who are unkind to us. St. Stephen shows us how to be brave and forgiving, just like Jesus.

A Little Prayer:
St. Stephen, you loved and forgave others even when it was hard. Help our family to be brave in our faith and to forgive with loving hearts. St. Stephen, pray for us. Amen.

December 27: St. John the Apostle

Fun Facts:

1. St. John was one of Jesus’ closest apostles and is called “the beloved disciple.”

2. He wrote the Gospel of John, three Epistles, and the Book of Revelation.

3. He is the only apostle believed to have died a natural death.

Ways to Celebrate:

• Read a passage from the Gospel of John.

• Write a letter to a friend or loved one, inspired by St. John’s Epistles.

• Create an eagle craft, St. John’s symbol.

• Talk about the love of Jesus and how St. John shared it with others.

• Say a prayer to ask St. John to help you grow in your love for Christ.

His Story:
St. John was one of Jesus’ twelve Apostles and one of His closest friends—so close that he is called “the beloved disciple.” He was there for many of the most important moments of Jesus’ life, and he stood faithfully at the foot of the Cross, where Jesus gave Mary to be his mother. John lived a long life sharing the love of Jesus, and he wrote the Gospel of John, three letters, and the Book of Revelation. His symbol is an eagle. St. John teaches us that the very heart of our faith is love.

What Kids Can Learn from St. John:
Jesus wants to be our close friend, just as He was St. John’s. The most important thing of all is to love God and to love one another.

A Little Prayer:
St. John, beloved friend of Jesus, help our family to stay close to Jesus and to love one another as He loves us. St. John, pray for us. Amen.

More Monthly Feast Day Guides

Looking ahead or catching up? Explore more of our monthly feast day guides for Catholic families:

• September Feast Days — Our Lady of Sorrows, the Nativity of Mary, the Archangels & more.

• January Feast Days — the Holy Name of Jesus, St. Thomas Aquinas, St. Elizabeth Ann Seton & more.

Want to build your own family rhythms around the liturgical year? Start with Create Feast Day Traditions Based on Your Love Languages and Liturgical Living Made Simple.