Martin Luther’s Belief in Mary’s Immaculate Conception

Summary: Many Lutheran scholars say that Luther always held to Mary’s immaculate conception. I think he eventually held that her purification occurred at Jesus’ conception, not her own.

Did Martin Luther believe in the Immaculate Conception of Mary? Catholic apologist Dave Armstrong dives into this controversial and often misunderstood topic in Part 5 of his 7-part series on Luther. Drawing from the writings of prominent Lutheran scholars and Luther’s own words, Dave explores whether the Reformer’s view aligned fully or partially with the Catholic dogma. Was his belief consistent throughout his life, or did it evolve? Did he always affirm Mary’s freedom from original sin, just at a different moment than Catholics believe? This episode offers an in-depth and balanced look at Luther’s complex Mariology—one that might surprise both Protestants and Catholics alike.

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