John Patrick Treacy

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Styles of
John Patrick Treacy
Mitre (plain).svg
Reference style The Most Reverend
Spoken style Your Excellency
Religious style Monsignor
Posthumous style none

John Patrick Treacy (July 23, 1891 – October 11, 1964) was an American prelate of the Roman Catholic Church. He served as Bishop of La Crosse from 1948 until his death in 1964.

Life and church[edit]

Treacy was born in Marlborough, Massachusetts, the only child of John and Ann (née O'Kane) Treacy.[1] He attended the College of the Holy Cross in Worcester, and studied at Harvard Law School before enrolling at the Catholic University of America in Washington, D.C.[2] Following his graduation from the Catholic University in 1912, he returned to Massachusetts and studied at St. John's Seminary in Brighton.[1] He was ordained to the priesthood for the Diocese of Cleveland, Ohio, on December 8, 1918.[3]

After 12 years in parish work, Treacy became diocesan director of the Society for the Propagation of the Faith in 1931.[2] He was elevated to a domestic prelate by Pope Pius XI in 1934.[1] In 1939, he was named by President Franklin D. Roosevelt to a 25-member committee for a good-neighbor mission to Latin America.[2] On August 22, 1945, he was appointed coadjutor bishop of the Diocese of La Crosse, Wisconsin, and titular bishop of Metelis by Pope Pius XII.[3] He received his episcopal consecration on the following October 2 from Archbishop Amleto Giovanni Cicognani, with Bishops Edward Francis Hoban and William David O'Brien serving as co-consecrators.[3]

Upon the death of Bishop Alexander Joseph McGavick, Treacy succeeded him as the fifth Bishop of La Crosse on August 25, 1948.[3] During his 16-year tenure, he founded Holy Cross Seminary, oversaw the construction of the Cathedral of Saint Joseph the Workman, and established 47 churches, 43 convents, and 42 schools.[2] He also ordered the closing of the Necedah Shrine of Mrs. Mary Van Hoof in 1950.[4] He attended the first two sessions of the Second Vatican Council between 1962 and 1963.[3]

Treacy died at St. Francis Hospital in La Crosse.[2]


  1. ^ a b c Fisher, Gerald Edward (1969). Dusk Is My Dawn: The First Hundred Years of the Diocese of La Crosse, 1868-1968. 
  2. ^ a b c d e "BISHOP JOHN TREACY OF LA CROSSE, WIS.". The New York Times. 1964-10-12. 
  3. ^ a b c d e "Bishop John Patrick Treacy". 
  4. ^ The Newsletter of Discernment
Catholic Church titles
Preceded by
Alexander Joseph McGavick
Bishop of La Crosse
Succeeded by
Frederick William Freking