William Aloysius O'Connor (December 27, 1903 – November 14, 1983) was an American

prelate A prelate () is a high-ranking member of the Christian clergy who is an ordinary or who ranks in precedence with ordinaries. The word derives from the Latin , the past participle of , which means 'carry before', 'be set above or over' or 'pref ...

of the

Roman Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

. He served as bishop of the

Diocese of Springfield in Illinois The Diocese of Springfield in Illinois ( la, Diœcesis Campifontis in Illinois) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in the south central Illinois region of the United States. The prelate is a bishop serving ...

from 1949 to 1975.

Biography

Early life

William O'Connor was born on December 27, 1903, in

Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

, to John and Mary (née Murphy) O'Connor. His brother was longtime Chicago newsman Len O'Connor. William O'Connor attended

Archbishop Quigley Preparatory Seminary Archbishop Quigley Preparatory Seminary was an American seminary preparatory school administered by the Roman Catholic Archdiocese of Chicago for young men considering the priesthood. Located in downtown Chicago at 103 East Chestnut Street, a ...

in Chicago from 1917 to 1922, and

St. Mary of the Lake Seminary The University of Saint Mary of the Lake (USML) is a private Roman Catholic seminary in Mundelein, Illinois. It is the principal seminary and school of theology for the formation of priests in the Archdiocese of Chicago in Illinois. It was ...

in Mundelein, Illinois, from 1922 to 1928.

Priesthood

O'Connor was

ordained Ordination is the process by which individuals are consecrated, that is, set apart and elevated from the laity class to the clergy, who are thus then authorized (usually by the denominational hierarchy composed of other clergy) to perform va ...

to the priesthood for the Archdiocese of Chicago by Cardinal

George Mundelein George William Mundelein (July 2, 1872 – October 2, 1939) was an American cardinal of the Roman Catholic Church. He served as Archbishop of Chicago from 1915 until his death, and was elevated to the cardinalate in 1924. Early life and ministry ...

on September 24, 1927. He then furthered his studies in

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

at the

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, obtaining a

Doctor of Sacred Theology The Doctor of Sacred Theology ( la, Sacrae Theologiae Doctor, abbreviated STD), also sometimes known as Professor of Sacred Theology (, abbreviated STP), is the final theological degree in the pontifical university system of the Catholic Church, ...

degree in 1930. On his return to Chicago in 1930, O'Connor served as a

professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...

at Archbishop Quigley Preparatory Seminary until 1935. He then attended the

New York School of Social Work The Columbia University School of Social Work is the graduate school of social work of Columbia University. It is the nation's oldest social work program, with roots extending back to 1898, when the New York Charity Organization Society's first s ...

in New York City before becoming

superintendent Superintendent may refer to: *Superintendent (police), Superintendent of Police (SP), or Senior Superintendent of Police (SSP), a police rank *Prison warden or Superintendent, a prison administrator *Superintendent (ecclesiastical), a church exec ...

of St. Mary's Training School in

Des Plaines, Illinois Des Plaines is a city in Cook County, Illinois, United States. Per the 2020 census, the population was 60,675. The city is a suburb of Chicago and is located just north of O'Hare International Airport. It is situated on and is named after the ...

, in 1936. He was named supervisor of

Catholic Charities The Catholic Church operates numerous charitable organizations. Catholic spiritual teaching includes spreading the Gospel, while Catholic social teaching emphasises support for the sick, the poor and the afflicted through the corporal and spir ...

in the archdiocese in 1938, and

president President most commonly refers to: *President (corporate title) *President (education), a leader of a college or university *President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ful ...

of the National Conference of Catholic Charities in 1944. O'Connor was raised by the Vatican to the rank of a domestic prelate in March 1946. He also served on the advisory board of the War Relief Services in the

National Catholic Welfare Council The National Catholic Welfare Council (NCWC) was the annual meeting of the American Catholic hierarchy and its standing secretariat; it was established in 1919 as the successor to the emergency organization, the National Catholic War Council. It co ...

and as director of the

USO The United Service Organizations Inc. (USO) is an American nonprofit-charitable corporation that provides live entertainment, such as comedians, actors and musicians, social facilities, and other programs to members of the United States Armed F ...

Council of Chicago.

Bishop of Springfield in Illinois

On December 17, 1948, O'Connor was appointed the fifth bishop of the Diocese of Springfield in Illinois by

Pope Pius XII Pope Pius XII ( it, Pio XII), born Eugenio Maria Giuseppe Giovanni Pacelli (; 2 March 18769 October 1958), was head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death in October 1958. Before his e ...

. He received his episcopal

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

on March 7, 1949, from Cardinal

Samuel Stritch Samuel Alphonsius Stritch (August 17, 1887 – May 27, 1958) was an American Cardinal prelate of the Catholic Church. He served as archbishop of the Archdiocese of Chicago from 1940 to 1958 and as pro-prefect of the Sacred Congregation for Pro ...

, with Bishops John Boylan and Albert Zuroweste serving as

co-consecrators A consecrator is a bishop who ordains someone to the episcopacy. A co-consecrator is someone who assists the consecrator bishop in the act of ordaining a new bishop. The terms are used in the canon law of the Catholic Church, Lutheran Churches, ...

. O'Connor instituted the

Confraternity of Christian Doctrine Confraternity of Christian Doctrine (CCD) is a catechesis program of the Catholic Church, normally for children. It is also the name of an association that traditionally organises Catholic catechesis, which was established in Rome in 1562. Rel ...

in 1950, initiated the diocesan development fund in 1952 for

missionary A missionary is a member of a Religious denomination, religious group which is sent into an area in order to promote its faith or provide services to people, such as education, literacy, social justice, health care, and economic development.Tho ...

work within the diocese, and founded the diocesan Latin School in 1954 for training young men preparing to enter the priesthood. He held diocesan

synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''wikt:synod, synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin ...

s in 1953 and 1963. O'Connor attended all four sessions of the

Second Vatican Council The Second Ecumenical Council of the Vatican, commonly known as the , or , was the 21st Catholic ecumenical councils, ecumenical council of the Roman Catholic Church. The council met in St. Peter's Basilica in Rome for four periods (or sessions) ...

in Rome between 1962 and 1965, and was a member of the administrative board of the

United States Catholic Conference The United States Conference of Catholic Bishops (USCCB) is the episcopal conference of the Catholic Church in the United States. Founded in 1966 as the joint National Conference of Catholic Bishops (NCCB) and United States Catholic Conference (US ...

and Department of Health Affairs from 1969 to 1972. On July 22, 1975, Pope Paul VI accepted O'Connor's resignation as bishop of Springfield. William O'Connor died after suffering a

cardiac arrest Cardiac arrest is when the heart suddenly and unexpectedly stops beating. It is a medical emergency that, without immediate medical intervention, will result in sudden cardiac death within minutes. Cardiopulmonary resuscitation (CPR) and possib ...

at St. John's Hospital in Springfield on November 14, 1983, at age 79.

References

{{DEFAULTSORT:Oconnor, William Aloysius 1903 births 1983 deaths Clergy from Chicago University of Saint Mary of the Lake alumni Participants in the Second Vatican Council 20th-century Roman Catholic bishops in the United States Roman Catholic bishops of Springfield in Illinois Columbia University School of Social Work alumni