John Yi Mun-u
Korean martyr, catholic saint (1810–1840)
Feast: 20 September (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
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
- Roman Martyrology, 1 February (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q4260706 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.