The third building block of my Catholic faith is the miraculous tilma of Our Lady of Guadalupe. Why? Because in moments of doubt, when my mind yearns for evidence of Our Lady’s maternal love, her image on the tilma crosses the distance from heaven to earth. The miraculous tilma is actual, physical evidence of Mary’s life and mission on earth as our spiritual mother.
Yes, I know that Jesus said to Mary from the cross: “Mother, behold your son. Son,” and to John, He said, “Behold, your mother” (John 19:26-27). The Church teaches that, in that act, Jesus was also giving Mary to us as our spiritual mother. However, when my faith is being tested and I need reassurance that what the Church teaches is true, I cling to the physical evidence that is currently housed in a basilica in Mexico and to the true story of its heavenly origin.
What happened in Mexico in December of 1531
Do you know how this miraculous tilma came to be?
Nearly 500 years ago, in December of 1531, the Virgin Mary appeared four times to Juan Diego, a Chichimec peasant. She also appeared once to his uncle, Juan Bernardino. According to 17th-century historian Nican Mopohua, the first apparition occurred on the morning of Saturday, December 9, 1531. On that date, Juan Diego experienced a vision of a young woman at a place called the Hill of Tepeyac. (Note: The Hill of Tepeyac later became part of Villa de Guadalupe in a suburb of Mexico City.) Speaking to Juan Diego in his native language, Nahuatl, she identified herself as the Virgin Mary, “Mother of the very true deity.” Then she asked for a church to be built at that site in her honor.
Juan Diego went to the Archbishop Fray Juan de Zumárraga of Mexico City to tell him what had happened. The Archbishop did not believe him! Later the same day, when Juan Diego reported back to the young woman (the second apparition), she directed him to go and ask the Archbishop again.
So, the next day, Juan Diego spoke to the Archbishop a second time. That was Sunday, December 10, 1531. This time the Archbishop asked for proof of the vision. He told Juan Diego to go back to Tepeyac Hill and ask the woman for a sign that would prove her identity and substantiate her request. Once again. Juan Diego returned to Tepeyac Hill. Mary appeared for a third time and told Juan Diego that she would indeed provide the miraculous sign the very next day.
A Snag in the Plan
However, the next day Juan Diego’s uncle became so ill, that he decided he couldn’t go to Tepeyac. Instead of meeting Mary on Tepeyac Hill, he took care of his uncle. Early the next morning (Tuesday, December 12th), Juan Bernardino’s condition was so bad that Juan Diego set out for Tlatelolco to find a Catholic priest to hear Juan Bernardino’s confession and prepare his soul for death.
Juan Diego felt ashamed that he had not followed through on meeting the Virgin Mary the previous day. So, he took a different route to avoid seeing her. To his surprise, the Virgin met him on the road! In this, her fourth apparition to Juan Diego, Mary said the words that I treasure: “No estoy yo aquí que soy tu madre?” (“Am I not here, I who am your mother?”) Then, she doubly surprised him by telling him that his uncle was healed! And then, she triple surprised him by telling him to go to the summit of Tepeyac to gather flowers. There Juan Diego found and collected in his tilma beautiful Castilian roses! Those roses were not native to the area, and they shouldn’t have been blooming in the cold December temperatures anyway. The Virgin Mary arranged the flowers in Juan Diego’s tilma and sent him on his way.
Juan Diego’s Presentation of the Tilma to the Archbishop
When Juan Diego opened his cloak later that day before Archbishop Zumárraga, the roses fell to the floor. On the fabric of the open cloak, the Archbishop and all present saw the miraculous image of the Virgin Mary! Wow! The image of Our Lady of Guadalupe on the tilma proved that everything Juan Diego relayed to the Archbishop from the Virgin Mary was true!
Another miracle occurred that day with Juan Diego’s uncle! Juan Bernardino told his nephew the next day (December 13th) that the Virgin Mary had appeared to him (her fifth apparition), restored him to good health, and directed him to tell the Archbishop about his miraculous healing. Furthermore, Mary told his uncle to tell the Archbishop that she wanted to be known under the title of “Guadalupe.”
The Archbishop kept Juan Diego’s tilma, first in his private chapel and then in the church on public display, where it attracted great attention. Meanwhile, on Tepeyac Hill a small, simple chapel was quickly built out of sun-dried adobe bricks and wood, topped with a thatched roof. On December 26, 1531, a procession formed to move the miraculous image back to Tepeyac Hill where it was installed in this First Chapel. A larger basilica, known as the Old Basilica was constructed in 1695 and finished in 1709. The New Basilica was built from 1974 to 1976. The New Basilica replaced the Old Basilica that was sinking into Mexico City’s soft subsoil. Juan Diego’s original tilma is currently housed in the New Basilica.
The First Photograph of the Image
When Mexican artist Nicolás Enríquez painted his copy of the Virgin of Guadalupe in 1773 (pictured above), it was the most widely venerated sacred image in New Spain, which included Mexico at that time. It was not until 1923, however, that a photograph of the image was taken. The Primatial Archdiocese of Mexico announced that “on the afternoon of May 18, 1923, photographer Manual Ramos had the honor of being the first to photograph the image of the Virgin of Guadalupe directly from Juan Diego’s ayate (tilma) without the protective glass,
The opportunity to photograph the image arose because of the need to change the frame after the attack it suffered on Nov. 14, 1921. A dynamite bomb that was hidden in a floral arrangement by a government official was exploded at the base of the icon. There was no damage to the miraculous image of Our Lady of Guadalupe, even though there was extensive damage to the rest of the church. The glass protecting the image of Our Lady wasn’t even broken!
What Modern Science Reveals about the Image
The Knights of Columbus, in their official review of claims about the tilma, note that some articles contained exaggerations and inaccuracies. The Knights have been very careful to determine what is true about the tilma and what is false. What exactly does modern science reveal about the image on Juan Diego’s tilma?
- Scientific studies have not succeeded in discovering the origin of the coloration of the Image or the way in which it was painted, and there are no detectable traces of brushstrokes from any known painting technique.
- Scientists have discovered that Mary’s eyes possess the three effects of image refraction in a living eye. Reflected in Mary’s eyes are 13 tiny figures, including Bishop Zumarraga and St. Juan Diego, as they would have appeared at the very moment that Juan Diego opened his tilma. Microscopic digital analysis of the eyes in the image of Our Lady of Guadalupe follow the optical laws of human eyes, including proper perspective and distortion matching real ocular refractions.
- The Image portrays scenes from the book of Revelation. Specifically, the Image portrays Revelation 12:1-2, which says, “A great sign appeared in the sky, a woman clothed with the sun, with the moon under her feet, and on her head a crown of twelve stars. She was with child and wailed aloud in pain as she labored to give birth.”
- The tilma is made of agave popotule fiber from the ixtle plant. Agave fiber is a perishable material. Under normal conditions, a tilma like Juan Diego’s would be expected to disintegrate within fifteen to thirty years.
- In the 1700s, acid was accidentally spilled on the cloth. Amazingly, the acid did no significant damage, either to the Image or the fabric itself.
Whatever Became of Juan Diego?
In time, Juan Diego came to live in a hermitage near the shrine at Tepeyac, where the image of Our Lady of Guadalupe was first displayed. He was known as a “holy, unselfish, and compassionate catechist who taught by word and especially by example.” By the time he died on December 9, 1548, the 17th anniversary of the first apparition, pilgrims had already begun flocking to the shrine. Pope John Paul II beatified him as Blessed Juan Diego during his 1990 pilgrimage to Mexico. Later, in July 2002, Pope John Paul II canonized him as St. Juan Diego with thousands gathered at the New Basilica of Our Lady of Guadalupe.
Have I Seen the Tilma in Person?
No, I have never visited the New Basilica or seen the miraculous tilma in person, but it is enough for me to know that the tilma is there, that other people have seen it and photographed it and analyzed it, and they have concluded that the image on the tilma is not of human origin, but of heavenly origin. Even more, it is enough for me to know that Our Lady left it for us so that we would know without a doubt that she came to earth at Tepeyac and that she declared herself to be the “merciful Mother” of Juan Diego and “of all the inhabitants on this land and all the rest who love, invoke and confide in me.”
Our Lady came to offer faith and hope to the oppressed natives of Mexico and to reconcile them with their Spanish rulers. She put an end to the bloody human sacrifice of the Aztecs, and converted ten million natives in the next decade! Since 1531, the tilma has been venerated by millions of people every year, and the image of Our Lady of Guadalupe has become universally identified with Mexican culture.
Our Lady of Guadalupe, pray for us!
References
“Claims about the Tilma and the Image: Knights of Columbus.” Claims about the Tilma and the Image | Knights of Columbus, 31 Oct. 2025, www.kofc.org/resources/faith-formation/faith-resources/our-lady-of-guadalupe/truths/.
“Claims about the Tilma and the Image: Knights of Columbus.” Claims about the Tilma and the Image | Knights of Columbus, 31 Oct. 2025, www.kofc.org/resources/faith-formation/faith-resources/our-lady-of-guadalupe/truths/.
D’Souza, Ladislaus L., et al. Saint Companions for Each Day. The Bombay St Paul Society, 2007.
EWTN News Staff. “This Is the First Photo Ever Taken of Image of Our Lady of Guadalupe.” EWTN News, 26 Sept. 2025, www.ewtnnews.com/world/americas/mexican-archdiocese-shares-first-photo-ever-taken-of-image-of-our-lady-of-guadalupe.
“Nicolás Enríquez – the Virgin of Guadalupe with the Four Apparitions – Mexican – The Metropolitan Museum of Art.” The Met, www.metmuseum.org/art/collection/search/635401. Accessed 21 Aug. 2026.
“Our Lady’s Image on the Tilma: Our Lady of Guadalupe.” Our Lady of Guadalupe | Catholic Church in Macedonia, OH., 9 May 2025, olg.cc/about/about-our-patroness/our-ladys-image-on-the-tilma/.
Valerio, Juan-Carlos. “The Tilma of Our Lady of Guadalupe: What It Is and Why It Endures.” Guadalupe Gifts, Guadalupe Gifts, 25 Mar. 2026, guadalupegifts.com/blogs/catholic-journal/tilma-of-our-lady-of-guadalupe?srsltid=AfmBOoqgW0AZJ3QFA5eih0S2l6GaRtaAKruhOz-_sfbYy-B2uJH3i4FC.
By Kathleen M. Alford
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