St. Gregory's Abbey is a Roman Catholic monastery of the American-Cassinese Congregation of the Benedictine Confederation.

He recruited his compatriots to provide pastoral care to the Native Americans of the region who had recently become a part of his ecclesiastical province.

In 1876 the monks founded Sacred Heart Abbey in what today is Konawa, Oklahoma, led by the Rev.

Dom Isidore Robot, O.S.B., who had been appointed Prefect Apostolic of the Indian Territory of Oklahoma by the Holy See upon the recommendation of Perché.

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