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John Yi Mun-u

Korean martyr, catholic saint (1810–1840)

SaintFull write-upSouth KoreaDocumented cause

Feast: 20 September (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)

Born
1810
Died
1840
Beatified
5 July 1925
unverified
Canonised
6 May 1984
unverified

Who they were

At Seoul in Korea, the holy martyrs Paul Hong Yŏng-ju, catechist, John Yi Mun-u, who served the poor and buried the bodies of the martyrs, and Barbara Ch'oe Yŏng-i, who, following the example of her parents and husband, killed for the name of Christ, was beheaded together with the others.

The miracles

The Roman Martyrology does not describe the miracles approved in the cause.

Why that counted as sanctity

The Roman Martyrology remembers him on 1 February as a Korean martyr who served the poor and buried the martyrs, beheaded at Seoul.

Connected on this site

  • The Korean Martyrs Saint honoured together
  • Choi Yeong-i Saint
    “At Seoul in Korea, the holy martyrs Paul Hong Yŏng-ju, catechist, John Yi Mun-u, who served the poor and buried the bodies of the martyrs, and Barbara Ch'oe Yŏng-i, who, following the example of her parents and husband, killed for the name of Christ, was beheaded together with the others.” — this site's research
  • Paul Hong Yŏng-ju Saint
    “At Seoul in Korea, the holy martyrs Paul Hong Yŏng-ju, catechist, John Yi Mun-u, who served the poor and buried the bodies of the martyrs, and Barbara Ch'oe Yŏng-i, who, following the example of her parents and husband, killed for the name of Christ, was beheaded together with the others.” — this site's research
Sources

Checked against the sources listed on 22 September 2026. Corrections welcome.

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