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Mona Tyndall was born April 14, 1921 in Ireland, one of six children of a businessman and his wife, and grew up in County Dublin.
In 1940, Mona joined the Missionary Sisters of the Holy Rosary in Killeshandra, Country Cavan. After her religious profession in 1942, she earned a Doctor of Medicine degree from the University College of Dublin. Mona then continued her studies in England to became an obstetrician and gynecologist (OB-GYN) physician.
Her first assignment as a missionary sister began in 1949 in Nigeria. As an OB-GYN physician, she was especially valuable in helping young mothers. In 1967, however, Nigeria found itself in a civil war called the Biafran War. Soon, Sr. Mona found herself in the midst of caring for wounded soldiers, civilians, the dying, and consoling orphans. Posters throughout the world showed little Nigerian children skinny as toothpicks because of lack of food.
Unfortunately, Sr. Mona and other missionary sisters and priests were arrested and imprisoned by government troops. After Pope Paul VI intervened, the prisoners were released to Zambia, where Sr. Mona spent the rest of her missionary days.
Aside from spending a year attending the Westminster Pastoral Institute in London, Sr. Mona used her skills as an OB/GYN physician to help reduce the high maternal and post-natal mortality rates in Zambia and to help people with family planning.
With help from Ireland, Sr. Mona was able to establish the first ten maternal health care clinics in the country as well as the first ambulance service. This was especially important for rural areas which, as in the rest of the world, usually have inferior healthcare services. In Zambia, Sr. Mona also taught about the prevention of HIV/AIDS.
In 1995, Sr. Mona Tyndall retired from her African mission work and returned to Ireland. In Cavan, she continued to serve God by serving others as a counselor and supervisor for the Cavan Bereavement Group.
Sr. Mona Tyndall died on June 7, 2000 at the age of 79.
