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Ralph Leo Hayes S.T.D | |
|---|---|
| Bishop of Davenport titular bishop of Naraggara. | |
 | |
| Appointed | November 16, 1944 |
| In office | January 11, 1945 – October 20, 1966 |
| Predecessor | Henry Patrick Rohlman |
| Successor | Gerald Francis O'Keefe |
| Previous post(s) | Bishop of Helena Rector of the Pontifical North American College |
| Orders | |
| Ordination | September 19, 1909 by Pietro Respighi |
| Consecration | September 21, 1933 by Hugh Charles Boyle |
| Personal details | |
| Born | September 21, 1884 |
| Died | July 5, 1970 (aged 85) Davenport, Iowa, US |
| Education | Pontifical North American College University of the Congregation of Propagation of the Faith |
| Motto | Opere et veritate (In action and truth) |
Ralph Leo Hayes S.T.D. (September 21, 1884 – July 5, 1970) was an American prelate of the Roman Catholic Church. He served as the fourth bishop of the Diocese of Helena in Montana from 1933 to 1935, and as the fifth bishop of the Diocese of Davenport in Iowa from 1944 to 1966.
Between his two episcopal appointments, Hayes served as the rector of the Pontifical North American College in Rome from 1935 to 1944.