Theresa Yi Mae-im
St. Theresa Yi Mae-im was a devoted Korean martyr whose love for Christ shone brightly even in the face of danger. Her faithfulness is a beacon of hope for many.
- Feast day
- Sep 20
- Known as
- Martyr
- Era
- 19th-century Korea

Who they were
Theresa Yi Mae-im was born in the late 18th century in Korea, a time when the practice of Christianity was fraught with danger and persecution. From a young age, she exhibited a deep devotion to her faith, inspired by her family’s commitment to Catholic teachings. Her father, a devoted priest, instilled in her a love for God and the importance of living a life in accordance with the teachings of Christ. This foundational upbringing laid the groundwork for her unwavering commitment to her beliefs.
As political and social tensions mounted in Korea, the government began to crack down on Christians, viewing the faith as a threat to traditional Confucian values. Despite the risks, Theresa remained resolute in her commitment to God. She was well aware of the potential consequences of her faith, but her love for Christ only intensified her resolve.
In 1839, during one of the harshest persecutions faced by Korean Christians, Theresa’s allegiance to her faith was put to the test. Authorities arrested many Christians, and she was among those captured. When questioned about her beliefs, she exhibited extraordinary courage. Rather than renounce her faith, Theresa remained steadfast, boldly affirming her commitment to Christianity. Her fearless witness was a profound testament to the transformative power of faith.
Throughout her imprisonment, Theresa endured unspeakable hardships and torture. The authorities used various methods to persuade her to abandon her faith, but she remained unyielding. Her love for Christ gave her strength amid suffering, and she became a source of inspiration for her fellow prisoners. Even in the direst circumstances, she embodied the virtues of compassion and hope, often encouraging others to maintain their faith.
Eventually, her steadfastness led to her martyrdom. Theresa Yi Mae-im was executed on September 20, 1839, alongside several other Christians. Her death marked her ultimate union with Christ, as she sacrificed her life for her unwavering faith. In the years following her martyrdom, she became an emblem of courage and fidelity for the Catholic Church in Korea.
The legacy of St. Theresa Yi Mae-im is profound. She was canonized in 1984 by Pope John Paul II as one of the 103 Korean Martyrs. Her life and death continue to inspire countless individuals, symbolizing the hope and strength that can emerge from persecution and suffering. Today, her feast day is celebrated with reflections on her life of faith, and her example challenges Christians everywhere to live authentically and courageously in their beliefs. St. Theresa Yi Mae-im’s spirit lives on, encouraging new generations to stand firm in their love for Christ, no matter the challenges they may face.
Remembered for
St. Theresa Yi Mae-im is remembered for her unwavering faith and courage in the face of persecution. Despite experiencing immense pressure to renounce her Christian beliefs, she remained steadfast, demonstrating remarkable strength and devotion.
As a martyr, she serves as an inspiring example to many, illustrating how love for Christ can overcome fear and suffering. Her story encourages the faithful to hold fast to their convictions even during the most challenging times.
Sep 20
How to recognize them

- Crown of thornsRepresents her suffering and sacrifice for Christ.
- Martyr's palmSymbolizes her victory over persecution and faith.
- CrossA reminder of her commitment to following Jesus despite danger.
Pray with this saint
Holy Theresa Yi Mae-im, inspire us to embrace our faith with the same courage you displayed. Help us stand firm in our beliefs amidst trials and to share Christ’s love with all around us. Pray for us, that we may grow in holiness and endure hardships with grace.
For your household
Integrating St. Theresa Yi Mae-im into family life can be a meaningful way to deepen your faith. Consider setting aside time on her feast day, September 20, to share her story as a family. You could read about her life and discuss the virtues she exemplified, such as courage and unwavering faith.
Encourage your children to pray through her intercession, perhaps creating a special prayer card or a place in your home dedicated to her. This can foster conversations about martyrdom, sacrifice, and the importance of standing up for one's beliefs.
Additionally, families can create a custom tradition such as lighting a candle in her honor, or sharing a meal that reflects Korean culture to connect with her heritage. This not only honors her memory but also enriches your family's understanding of global faith traditions, fostering a sense of unity and inspiration from saints around the world.
Pray as a household
Carry your family in prayer
Solua gives your family a simple, faithful rhythm of prayer — one unhurried moment at a time, for the people you carry by name.
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