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WO

His Excellency

Most Rev. William D. O'Brien

Born: August 3, 1878 · Chicago, Illinois, United States · Died aged 83
Ordained priest: July 11, 1903
Ordained bishop: April 25, 1934
Died: February 19, 1962
Rite: Latin

A priest for 58 years, 7 months

A bishop for 27 years, 9 months

catholic-hierarchy.org Wikipedia

Aug 1878

Born

August 3, 1878 · Chicago, Illinois, United States

Jul 1903

Ordained to the Priesthood

July 11, 1903

Feb 1934

Appointed Auxiliary Bishop of Chicago

February 10, 1934 · Chicago, Illinois, United States

Apr 1934

Ordained Bishop

April 25, 1934

George Cardinal Mundelein

George Cardinal Mundelein

Most Rev. Joseph P. Lynch

Most Rev. Bernard J. Sheil

Feb 1962

Died

February 19, 1962