James Albert Duffy (September 13, 1873 – February 12, 1968) was an American prelate of the Roman Catholic Church who served as the first bishop of the Diocese of Grand Island in Nebraska from 1917 to 1931.
From 1887 to 1893, he was a student at the University of St. Thomas and subsequently attended Saint Paul Seminary School of Divinity from 1894 to 1899.
Duffy oversaw construction of the Cathedral of St. Mary from 1926 to 1928, and also established the Nebraska Register.
[2] Duffy died on February 12, 1968, at St. Joseph's Infirmary in Hot Springs, Arkansas, and was buried in Calvary Cemetery, Grand Island, Nebraska.
[2] At the time of his death, he was the most senior bishop in the United States in both age and years of consecration.