Barbara Ko Sun-i

Barbara Ko Sun-i (Korean: 고순이 바르바라) was a nineteenth-century Korean Catholic laywoman who died as a martyr during the Gihae persecution of 1839 and is venerated among the 103 Korean Martyrs of the Catholic Church. She was born in 1794 in Korea, then under the Joseon dynasty. The Catholic community there was still very young. The faith had been introduced in 1784 by Yi Seung-hun, a Korean who received baptism in Beijing and brought Christian books and practice back to a circle of Confucian scholars in Seoul. For decades the Church in Korea was organized almost entirely by laity, without resident clergy, and it was repeatedly treated by the state as a heterodox teaching that rejected ancestral rites and so threatened Confucian order. Barbara’s life unfolded against that background of clandestine household worship and intermittent persecution, including the severe Sinyu persecution of 1801, which occurred in her childhood.

Traditional accounts of the Korean martyrs identify her as the wife of Augustine Pak Chong-won, a Korean Catholic catechist who was himself put to death in 1840 and later canonized with her. As a married Catholic woman in Joseon society she belonged to the household-based network through which the faith was transmitted: family prayer, memorization of doctrine, and mutual support when priests were absent. French missionaries of the Société des Missions Étrangères de Paris began to enter Korea in the mid-1830s, and Laurent-Joseph-Marius Imbert was appointed vicar apostolic, but the number of clergy remained tiny and the Church continued to depend on lay men and women. Surviving records do not preserve a full interior biography of Barbara—neither a securely attested birthplace nor a detailed account of her childhood—so what can be said of her earlier years remains bound to this setting of an illegal, lay-led Church.

The Gihae persecution began in 1839, when officials of the Joseon court moved to suppress Catholicism through systematic arrests, interrogation, and public execution. Barbara Ko Sun-i was arrested, questioned, and tortured in an effort to make her renounce the faith and disclose other Catholics. She refused to apostasize. She was condemned and executed by beheading in Seoul on 29 January 1839. The same year saw the martyrdom of Bishop Imbert and the priests Pierre-Philibert Maubant and Jacques-Honoré Chastan, as well as many Korean laity. Her husband was executed the following year. Many of these deaths were associated with the execution ground near the Small West Gate (Seosomun) of Seoul, later a principal place of remembrance for the Korean martyrs.

Barbara Ko Sun-i was among the seventy-nine Korean martyrs beatified by Pope Pius XI on 5 July 1925. She was canonized by Pope John Paul II on 6 May 1984 in Seoul, together with 102 companions, in a ceremony that presented the Korean martyrs as witnesses of a Church that had begun among the laity and been tested by repeated state persecution. Their collective feast is kept on 20 September. The documentary outline of her life is spare: year of birth, marriage to a fellow Catholic later honored as a martyr, arrest, refusal to recant, and death by beheading in Seoul in 1839. Distinct individual patronages attached to her name alone are not recorded in standard martyrologies; she is honored with the other Korean martyrs as a married lay witness who would not deny the Christian faith under torture.