 On May 22, 1931, Kevenhoerster was appointed the first Prefect Apostolic of the newly created Prefecture Apostolic of the Bahama Islands by Pope Pius XI.Each year he made a begging trip to the United States to collect funds to be used in the building of parochial schools.On October 27, 1933, he was named to succeed the late Bishop John Dunn as titular bishop of Camuliana.