John A. Duffy


John Aloysius Duffy
Bishop of Buffalo
ChurchRoman Catholic Church
DioceseBuffalo
PredecessorWilliam Turner
SuccessorJohn Francis O'Hara
Previous postsBishop of Syracuse
(1933 to 1937)
Orders
OrdinationJune 13, 1908
by Pietro Respighi
ConsecrationJune 29, 1933
by Thomas Walsh
Personal details
BornOctober 29, 1884
DiedSeptember 27, 1944(1944-09-27) (aged 59)
MottoSapientia desursum
(Wisdom from above)
Styles of
John Aloysius Duffy
Reference styleThe Most Reverend
Spoken styleYour Excellency
Religious styleMonsignor
Posthumous stylenone

John Aloysius Duffy (October 29, 1884 – September 27, 1944) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Syracuse in New York from 1933 to 1937, and as bishop of the Diocese of Buffalo in New York from 1937 until his death in 1944.