The Missionary Sisters of the Immaculate Conception are members of a religious congregation of women dedicated to serve in the nations of the world most in need.
Having lost her mother in infancy, her father entrusted her care to her maternal aunt and her husband before emigrating to the United States for work.
Tétreault drew together a small group of women who had expressed interest in this project and opened an apostolic school to train them for serving overseas.
[2] By the time she had taken ill and had started to withdraw from the administration of the congregation, the foundress had opened 36 houses of Missionary Sisters: 19 in Asia, 16 in Canada and one in Rome.
[1] After World War II, during which period Tétreault had died, the congregation established new communities in Bolivia, Chile, Cuba, Equatorial Guinea, Haiti, Madagascar, Malawi, Peru, Philippines, Taiwan, Vietnam and Zambia, where they now serve.
[2] During the outbreak of the Ebola virus in West Africa, a small group of the Sisters were serving with the Brothers Hospitallers of St. John of God at St. Joseph Hospital in Monrovia, Liberia.