Bernard Joseph Mahoney was the third Roman Catholic

Roman Catholic Church

The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

 Bishop of Sioux Falls

Roman Catholic Diocese of Sioux Falls

The Roman Catholic Diocese of Sioux Falls is a Roman Catholic diocese in the U.S. state of South Dakota. It was founded on November 12, 1889 by Pope Leo XIII and comprises that part of South Dakota east of the Missouri River. The architect for the St...

 (1922-1939).

Bernard Mahoney was born in Albany

Albany, New York

Albany is the capital city of the U.S. state of New York, the seat of Albany County, and the central city of New York's Capital District. Roughly north of New York City, Albany sits on the west bank of the Hudson River, about south of its confluence with the Mohawk River...

, New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

, to Daniel and Honora (née O'Connor) Mahoney, who were Irish

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 immigrants. After attending St. John's Academy in Rensselaer

Rensselaer, New York

Rensselaer is a city in Rensselaer County, New York, United States, and is located on the Hudson River directly opposite Albany. As of the 2010 census, the city population was 9,392; in 1920, it was 10,832. The name is from Kiliaen van Rensselaer, the original landowner of the region in New...

, he studied at Mount St. Mary's College in Emmitsburg

Emmitsburg, Maryland

-Demographics:As of the census of 2000, there were 2,290 people, 811 households, and 553 families residing in the town. The population density was 1,992.9 people per square mile . There were 862 housing units at an average density of 750.2 per square mile...

, Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

, from where he obtained a Bachelor of Arts

Bachelor of Arts

A Bachelor of Arts , from the Latin artium baccalaureus, is a bachelor's degree awarded for an undergraduate course or program in either the liberal arts, the sciences, or both...

 degree in 1899 and a Master of Arts

Master of Arts (postgraduate)

A Master of Arts from the Latin Magister Artium, is a type of Master's degree awarded by universities in many countries. The M.A. is usually contrasted with the M.S. or M.Sc. degrees...

 in 1901.

He was ordained

Holy Orders

The term Holy Orders is used by many Christian churches to refer to ordination or to those individuals ordained for a special role or ministry....

 to the priesthood

Priesthood (Catholic Church)

The ministerial orders of the Catholic Church include the orders of bishops, deacons and presbyters, which in Latin is sacerdos. The ordained priesthood and common priesthood are different in function and essence....

 on February 27, 1904. He then served as a curate

Curate

A curate is a person who is invested with the care or cure of souls of a parish. In this sense "curate" correctly means a parish priest but in English-speaking countries a curate is an assistant to the parish priest...

 at St. Peter's Church in Troy

Troy, New York

Troy is a city in the US State of New York and the seat of Rensselaer County. Troy is located on the western edge of Rensselaer County and on the eastern bank of the Hudson River. Troy has close ties to the nearby cities of Albany and Schenectady, forming a region popularly called the Capital...

 until 1909, when he became spiritual director

Spiritual direction

Spiritual direction is the practice of being with people as they attempt to deepen their relationship with the divine, or to learn and grow in their own personal spirituality. The person seeking direction shares stories of his or her encounters of the divine, or how he or she is experiencing...

 of the Pontifical North American College

Pontifical North American College

The Pontifical North American College is a Roman Catholic educational institution in Rome, Italy educating seminarians for the dioceses in the United States and providing a residence for American priests studying in Rome. It was founded in 1859 by Blessed Pope Pius IX and was granted pontifical...

 in Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

. In 1912 he earned a Doctor of Sacred Theology

Doctor of Sacred Theology

The Doctor of Sacred Theology is the final theological degree in the pontifical university system of the Catholic Church....

.

On May 24, 1922, Mahoney was appointed Bishop of Sioux Falls

Roman Catholic Diocese of Sioux Falls

The Roman Catholic Diocese of Sioux Falls is a Roman Catholic diocese in the U.S. state of South Dakota. It was founded on November 12, 1889 by Pope Leo XIII and comprises that part of South Dakota east of the Missouri River. The architect for the St...

, South Dakota

South Dakota

South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...

, by Pope Pius XI

Pope Pius XI

Pope Pius XI , born Ambrogio Damiano Achille Ratti, was Pope from 6 February 1922, and sovereign of Vatican City from its creation as an independent state on 11 February 1929 until his death on 10 February 1939...

. He received his episcopal

Bishop (Catholic Church)

In the Catholic Church, a bishop is an ordained minister who holds the fullness of the sacrament of Holy Orders and is responsible for teaching the Catholic faith and ruling the Church....

 consecration

Consecration

Consecration is the solemn dedication to a special purpose or service, usually religious. The word "consecration" literally means "to associate with the sacred". Persons, places, or things can be consecrated, and the term is used in various ways by different groups...

 on the following June 29 from Cardinal Gaetano de Lai

Gaetano de Lai

Gaetano de Lai was an Italian cardinal of the Roman Catholic Church. He was part of the Roman Curia. He was an outspoken defender of the French monarchist Action française....

, with Bishops Giovanni Maria Zonghi and Giacomo Sinibaldi serving as co-consecrators

Consecrator

Consecrator is a term used in the Roman Catholic Church to designate a bishop who ordains a priest to the episcopal state. The term is often used in Eastern Rite Churches and in Anglican communities. The term "Principal Consecrator" is used to designate the primary bishop who ordains a new bishop...

, in Rome. He remained at Sioux Falls for the next sixteen years, until his death at age 63.