Sisters of St. Mary of Oregon

Sisters of St. Mary of Oregon
AbbreviationSSMO
Named afterMary, mother of Jesus
Formation1886
FounderWilliam Hickley Gross, CSsR
Founded atSublimity, Oregon
TypeReligious order (Catholic)
HeadquartersBeaverton, Oregon
MembersFoundresses:
Mother Wilhelmina
Sr. Clara
Sr. Josephine
Sr. Cecilia
Sr. Benedict
Sr. Gertrude
Sr. Aloysius
Sr. Rose
Sr. Johanna
Sr. Magdalene
AffiliationsCatholic Church
Websitehttps://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. The sisters' convent is located in Beaverton and they are independent from the Archdiocese of Portland.

The Sisters provide lifelong learning opportunities through programs and speaker series. 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.