- Birth Name: Maude
- Current Name: Callistus
- Religious Name: Callistus
- Last Name: Crowley
- Mother's Name: Nina (Fitzgerald) Crowley
- Father's Name: Albert Crowley
- Hometown: Dolton, S.D.
- Entry Date: January 3, 1922
- Current Status: Deceased
- Death Date: February 5, 1978
Biography:
Sister Callistus was a primary school teacher in South Dakota, Montana and Minnesota. She was a talented musician and artist.