of Marquette before succession Joseph Maximilian Mueller (1948–1970; Coadjutor 1947-1948) Frank Henry Greteman (1970–1983) Lawrence Donald Soens (1983–1998) Daniel N. DiNardo (1998–2004), appointed Coadjutor Bishop and later Coadjutor Archbishop and Archbishop of Galveston-Houston (elevated to Cardinal in 2007) R. Walker Nickless (2005–present) Auxiliary bishops Edmond Heelan (1918–1920), appointed Bishop of Sioux City Frank Henry Greteman (1965–1970), appointed Bishop of Sioux City Other priests of this diocese who became bishops Dennis Marion Schnurr, appointed Bishop of Duluth in 2001 and later Archbishop of Cincinnati High schools Closed schools References External links The Ministry Institute of Christ the Servant Roman Catholic dioceses in the United States Roman Catholic Roman Catholic Roman Catholic dioceses and prelatures established in the 20th century 1902 establishments in Iowa