John Hennessy (bishop)

Most Reverend

John Hennessy, DD
Archbishop of Dubuque
ChurchCatholic Church
AppointedApril 24, 1866
Term endedMarch 4, 1900
PredecessorClement Smyth
SuccessorJohn Joseph Keane
Previous post(s)Bishop of Dubuque
Orders
OrdinationNovember 1, 1850
ConsecrationSeptember 30, 1866
by Peter Richard Kenrick
Personal details
Born(1825-08-20)August 20, 1825
DiedMarch 4, 1900(1900-03-04) (aged 74)
Dubuque, Iowa, USA
MottoMessis Multa
(Many Harvests)
Ordination history of
John Hennessy
History
Episcopal consecration
Consecrated byPeter Richard Kenrick (St. Louis)
DateSeptember 30, 1866
Episcopal succession
Bishops consecrated by John Hennessy as principal consecrator
Thomas Mathias LenihanFebruary 24, 1897

John Hennessy (August 20, 1825 – March 4, 1900) was a 19th-century Irish-born prelate of the Roman Catholic Church who served as bishop and archbishop in the United States. He served as bishop and then the first archbishop of the Archdiocese of Dubuque, Iowa, from 1866 to 1900.