Thaddeus (Judas, son of James)
Thaddeus, also known as Judas, son of James, was one of the twelve disciples of Jesus. Though often less prominently featured in the Gospels, Thaddeus holds a special place as a faithful follower and messenger of Christ’s teachings. In this article, you will learn about his background, significance, and lasting legacy in the early church.

Frequently Asked Questions About Thaddeus
What does the name Thaddeus mean?
Was Thaddeus related to any of the other disciples?
What can we learn from Thaddeus’ life?
What does the name Thaddeus mean?
The name Thaddeus, which is of Aramaic origin, probably means “heart” or “courageous.” It is also often translated as ‘brave’ or “heroic.” In the Gospels of Mark and Matthew, Thaddeus is mentioned as an apostle. However, this name does not appear in Luke 6:14-16 or Acts 1:13. Instead, these passages mention “Judas, son of James.” Therefore, it is assumed that Thaddeus is the same person as this Judas, son of James, to avoid confusion with Judas Iscariot. The name Lebbaeus, which means “man with heart” in Aramaic, also appears in old Bible translations (Matthew 10:3).
Was Thaddeus related to any of the other disciples?
Thaddeus is identified as the son of James, but the Bible does not clearly state any family connections to other disciples. He is often remembered individually for his faithful witness and dedication.
What can we learn from Thaddeus’ life?
Thaddeus teaches us the value of quiet courage and steadfast faith. Though not always in the spotlight, his commitment to following Jesus and spreading the gospel inspires believers to be faithful even in unseen or challenging roles.
Who Was Thaddeus (Judas, son of James)?
Here you will find the main highlights of Thaddeus’ life.
Origin and background
Thaddeus, also known as Judas, son of James, is believed to have come from the region of Galilee, though the Bible offers limited details about his family or early life. His background likely involved a faithful Jewish upbringing that prepared him for a life of discipleship. Known for his loyalty and sincerity, Thaddeus responded earnestly when Jesus called him to follow, beginning his journey as one of the twelve apostles.
The calling by Jesus
While the New Testament gives few direct details about Thaddeus’ call, he was one of the twelve disciples whom Jesus personally chose to follow Him. He is recorded in two Gospel accounts as part of the twelve apostles (see Matthew 10:3 and Mark 3:18).
Thaddeus’ journey was marked by faithful service and quiet dedication. Though not much is recorded about his words or actions during Jesus’ ministry, tradition holds that he was a devoted follower who trusted in Jesus’ mission. His story reminds us that even those less in the spotlight play vital roles in God’s plan. After the resurrection, Thaddeus continued to faithfully spread the message of Christ, demonstrating steadfast faith and courage in the face of challenges.
Thaddeus’ Role in the New Testament
A Faithful and Courageous Disciple
Thaddeus was not part of Jesus’ inner circle like Simon Peter, James, and John, but he is remembered for his faithful and steadfast spirit. Though less frequently mentioned in the Gospels, Thaddeus’ loyalty and commitment to Jesus shows a quiet courage. His example encourages believers to remain faithful and courageous, even when facing challenges or uncertainty.
Notable events
Asking Jesus: In John 14:22, Thaddeus (often identified as Judas, son of James) asked Jesus a question about His presence and revelation, showing his earnest desire to understand Jesus’ mission more deeply.
Faithful witness: Tradition holds that after Jesus’ resurrection, Thaddeus boldly preached the gospel in various regions, including Judea and surrounding areas, faithfully spreading Christ’s message and encouraging early believers.
But, Lord, why do you intend to show yourself to us and not to the world?
Thaddeus After the Resurrection
Though the Book of Acts highlights the ministries of some apostles more prominently, early church tradition holds that Thaddeus (also known Judas, son of James) was a devoted preacher of the gospel following Jesus’ resurrection. Tradition suggests he traveled widely, sharing the message of Christ in regions such as Judea, Syria, and possibly Mesopotamia. Historical accounts also indicate that Thaddeus was martyred for his faith, standing as a powerful example of courage and unwavering commitment in spreading the early Christian message.
The Significance of Thaddeus
Thaddeus is remembered for his faithful dedication to Jesus and his important role among the twelve disciples. Though less prominently featured in the Gospels, Thaddeus’ life reflects quiet strength and steadfast commitment. Tradition honors him as a courageous messenger who helped spread the gospel beyond Judea, inspiring believers to remain devoted and bold in their faith, even when facing challenges or obscurity.

Want to Get to Know Jesus and His Disciples “Live”?
In The Chosen, the compelling series on the life of Jesus and His followers, Thaddeus’ quiet courage and faithful witness are brought to life with sincerity and heart. See how his dedication shapes the early story of the disciples. Watch the series for free!