Robert O'Donnell
- 1966: Ordained, Diocese of Helena
- 1966-1968: Butte Central High School, Butte, MT
- 1968-1969: Assistant Principal, Helena Central High School, Helena, MT
- 1969-1970: Butte Central High School, Butte, MT
- 1970-1972: Principal, Butte Central High School, Butte, MT
- 1972-1977: Pastor, Cathedral of St. Helena, Helena, MT
- 1977: Continuing Education Program, Casa Santa Maria, Rome, Italy
- 1977: Coordinator, Cathedral of St. Helena, Helena, MT
- 1979: Retreat Master for the Deaf, University of San Diego, San Diego, CA
- 1979: Executive Editor, WestMont Word, Helena, MT
- 1981: Chancellor, Diocesan Director of the Centennial, Diocesan Director of D.O.P in the Diocese of Helena
- 1983-84: Pastor, St. Mary’s Parish, Helena, MT
- 1985: Sabbatical
- 1985-1990: Leave of Absence
- 1985-1986: Center of Spirituality, New Orleans, LA
- 1986: St. Philomena’s, Honolulu, HI
- 1986: St. Anthony’s, Kailua, HI
- 1987-89 (summers): Damien High School, Honolulu, HI
- 1989-1995: Holy Trinity, Honolulu, HI
- 1995: Deceased
Notes: Fr. Robert O’Donnell was incardinated into the Diocese of Honolulu on July 17, 1990 by Bishop Joseph Ferrario and assigned to Holy Trinity in Honolulu. Fr. O’Donnell was named in a March 2013 civil lawsuit in which a man alleged Fr. O’Donnell sexually abused him in 1974 at the Cathedral of St. Helena in Helena, MT. Fr. O’Donnell died in 1995.