- Caecilia Yu So-Sa
- Jechillia Yu So-Sa
Married lay woman in the apostolic vicariate of Korea. Mother of Saint Paul Chong Hasang and Saint Jung Hye. One of the Martyrs of Korea.
- 1761 in Seoul, South Korea
- 23 November 1839 in Bo-jeong Prison, Seoul, South Korea of injuries following repeated whippings
- “Saint Cecilia Yu Sosa“. CatholicSaints.Info. 21 November 2015. Web. 25 September 2016. <>