Religious orders Abbreviations and Acronyms

1. OSM
   Servants of Mary, Mother of Sorrow
2. OSM
   Sisters of Our Lady of Sorrows
3. OSPPE
   Order of St. Paul the First Hermit
4. OSS
   Opus Spiritus Sancti
5. OSSR
   Order of the Most Holy Redeemer
6. OSSS
   Order of Our Most Holy Saviour
7. OSST
   Order of the Most Holy Trinity and of the Ransom of Captives (Trinitarians)
8. OSTR
   Oblates of St. Therese Reformed (religious order)
9. OSU
   Ursuline Sisters of Bruno
10. OSU
    Ursuline Sisters of Tildonk
11. OSU
    The Ursuline Sisters of the Roman Order
12. OSU
    Ursuline Sisters of St. Angela's - Prelate
13. OSV
    Ursuline Sisters of the Blessed Virgin Mary
14. OTR
    Order of the Holy Trinity, Trinitarians
15. PA
    Prothonotary Apostolic
16. PB
    Pиres-Blancs, White Fathers
17. PBVM
    Sisters of the Presentation of the Blessed Virgin Mary
18. PC
    Poor Clares
19. PCC
    Poor Clare Collettines
20. PCPA
    Poor Clares of Perpetual Adoration

Last updated: May 23, 2020 — Total entries: 735