- January 2 – Patronal feast of the Most Holy Name of Jesus
- May 23 – Beatification of Mother Marie-Rose, who became Blessed Marie-Rose Durocher (1982)
- September 12, Feast of the Most Holy Name of Mary
- October 6 – Day of birth (1811) and death of Mother Marie-Rose (1849)
- October 28 – Foundation of the Congregation of the Sisters of the Holy Names of Jesus and Mary with the beginning of the common life of the three foundresses (1843)
- December 8, Feast of the Immaculate Conception and day of the religious profession of the three foundresses (1844). Canonical erection of the Congregation by Bishop Ignace Bourget under the pontificate of Pope Gregory XVI.
Other significant dates
- 1846 – 3 November | Beginning of the mission in Beloeil
- 1854 – 7 October | Adoption of the community seal
- 1859 – October 21 | Arrival in Oregon (USA) of the 12 foundresses, the first distant mission
- 1864 – March 26 | Arrival of Mother Veronica of the Crucifix in Oregon (USA)
- 1865 – May 22, 1865 – Foundation in Schenectady, New York (USA)
- 1868 – May 15, 1868 – Six SNJM founders arrived in California, USA
- 1874 – August 22, 1874 – Arrival of Founders – first mission in Winnipeg, Manitoba
- 1931 – August 29, 1931 – First departure of the founders for the mission in Basutoland, now known as Lesotho
- 1931 – September 12, 1931 – Foundation of a mission in Japan
- 1961 – Start of SNJM mission in Peru
- 1962 – Foundation of SNJM mission in Brazil
- 1970 – Foundation of the SNJM mission in Cameroon
- 1975 – Foundation of the SNJM mission in Haiti
