The Most Reverend William H. Bullock (deceased)
Third Bishop of Madison (1993-2003)
Auxiliary Bishop Most Reverend George O. Wirz served as diocesan administrator from April 1992 until June 15, 1993 (deceased)
The Most Reverend Cletus F. O'Donnell (deceased)
Second Bishop of Madison (1967-1992)
The Most Reverend William P. O'Connor (deceased)
First Bishop of Madison (1946-1967)