Louis A. DeSimone

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His Excellency, The Most Reverend
Louis Anthony DeSimone
Auxiliary Bishop Emeritus of Philadelphia
Titular Bishop of Cillium
Archdiocese Philadelphia
Appointed June 27, 1981
Installed August 12, 1981
Term ended April 5, 1997
Other posts Titular Bishop of Cillium
Ordination May 10, 1952
Consecration August 12, 1981
by John Krol, John Joseph Graham, and Martin Nicholas Lohmuller
Personal details
Born (1922-02-21)February 21, 1922
Philadelphia, Pennsylvania, U.S.
Died October 5, 2018(2018-10-05) (aged 96)
Villanova, Pennsylvania, U.S.
Styles of
Louis Anthony DeSimone
Mitre (plain).svg
Reference style
Spoken style Your Excellency
Religious style Bishop

Louis Anthony DeSimone (February 21, 1922 – October 5, 2018) was an American prelate of the Roman Catholic Church. He served as an auxiliary bishop of Philadelphia from 1981-97.


DeSimone was born in Philadelphia, Pennsylvania and raised in Bridgeport. He has two brothers, Russell and Salvatore, both of whom also chose ecclesiastical careers; the former is an Augustinian professor at the Pontifical Lateran University and the latter (d. 1989) was a pastor in New Jersey. He attended Bridgeport High School and Villanova University before becoming a sergeant in the Army during World War II, serving for two years in Italy with the Fifth Army Headquarters. Upon his return to the United States, DeSimone entered St. Charles Borromeo Seminary in Wynnewood, and was ordained to the priesthood by on May 10, 1952.

He then taught at St. Thomas More High School in Philadelphia, as well as serving as assistant pastor at St. Donato Parish in Philadelphia and at Ss. Cosmas and Damian Parish in Conshohocken. He became a member of the archdiocesan Executive Committee of the Catholic Charities Appeal in 1961, pastor of Ss. Cosmas and Damian Parish in 1968, and director of Catholic Relief Services in 1971. In 1975, DeSimone was made chairman of the Heritage Group Committee for the forty-first International Eucharistic Congress, which was held in Philadelphia in August 1976. He was raised to the rank of Honorary Prelate of His Holiness during that same year. John Cardinal Krol later named him coordinator of the Italian Earthquake Relief Fund for Friuli, his work for which earned him the Commendatore al Merito della Repubblica Italiana from the Italian government.[citation needed]

He became pastor of St. Monica Church in Philadelphia in November 1976, and consultor to the Council of Managers of the Archdiocesan Office for Development in 1979. He also sat on the Board of Directors of Pennsylvania Hospital and of Methodist Hospital for several years, and was Vice-President of the United Way of Southeastern Pennsylvania.

On June 27, 1981, DeSimone was appointed Auxiliary Bishop of Philadelphia and Titular Bishop of Cillium by Pope John Paul II. He received his episcopal consecration on the following August 12 from Cardinal Krol, with Bishops John Graham and Martin Nicholas Lohmuller serving as co-consecrators, in the Cathedral-Basilica of Sts. Peter and Paul.[citation needed]

In addition to his duties as an auxiliary, De Simone was named vicar general of the Archdiocese and later chairman of the Catholic Charities Appeal in 1982. He resigned his post on April 5, 1997, after fifteen years of service and reaching the mandatory retirement age of 75.[citation needed] On October 5, 2018, he died at the age of 96 at St. Thomas Monastery in Villanova, Pennsylvania.[1]

See also[edit]


  1. ^ "Bishop Louis DeSimone, beloved retired pastor, dies at 96". Catholic Philly. Retrieved 6 October 2018.

External links[edit]

Episcopal succession[edit]

Catholic Church titles
Preceded by
Auxiliary Bishop of Philadelphia
Succeeded by