Sisters of St. Mary of Oregon

Sisters of St. Mary of Oregon

Main building, constructed in 1930
Abbreviation	SSMO
Named after	Mary, mother of Jesus
Formation	1886
Founder	William Hickley Gross, CSsR
Founded at	Sublimity, Oregon
Type	Religious order (Catholic)
Headquarters	Beaverton, Oregon
Members	Foundresses: Mother Wilhelmina Bleily Sr. Clara Hauck Sr. Josephine Eifert Sr. Cecilia Boedigheimer Sr. Benedict Arnold Sr. Gertrude Silbernagel Sr. Aloysius Bender Sr. Rose Eifert Sr. Johanna Silbernagel Sr. Magdalene Giebler
Affiliations	Catholic Church
Website	https://www.ssmo.org/
Formerly called	Sisters of the Most Precious Blood

The Sisters of St. Mary of Oregon (abbreviated SSMO), formerly known as the Sisters of the Most Precious Blood, is a Catholic religious congregation founded in 1886 in the U.S. state of Oregon.^[1] The sisters' convent is located in Beaverton and they are independent from the Archdiocese of Portland.^[1]

The Sisters provide lifelong learning opportunities through programs and speaker series.^{[citation needed]} Their sponsored ministries include Valley Catholic School and Maryville Care. The Sisters of St. Mary of Oregon Ministries Corporation and the Sisters of St. Mary of Oregon Foundation provide administrative and developmental support to the sponsored ministries.^{[citation needed]}