A Vicar General is a priest who has the executive power over the whole diocese which belongs to the diocesan bishop by law, namely, the power to place all administrative acts except those, however, which the bishop has reserved to himself or which require a special mandate of the bishop by law. (c. 479.1)
Vicars Generals – Past and Present
| Name | Dates Served | Appointed By |
| Very Rev. Joseph Perrier, VG | 1888 – 1891 | Bishop Scannell |
| Rev. Msgr. John Maher, VG | 1898 – 1938 | Bishops Cunningham and Tief |
| Rev. Msgr. Richard Daly, VG | 1939 – 1946 | Bishop Thill |
| Rev. Msgr. John Duskie, VG | 1946 – 1957 | Bishop Thill |
| Rev. Msgr. Armand Girard, VG | 1959 – 1983 | Bishops Freking, Vogel and Kucera |
| Rev. Msgr. Gilbert Landoll, VG | 1980 – 1983 | Bishop Kucera |
| Very Rev. Melvin Long, VG | 1983 – 1990 | Bishops Kucera and Fitzsimons |
| Rev Msgr. James Hake, VG | 1988 – Present | Bishops Fitzsimons, Coakley and Weisenburger |
| Very Rev. Randall Weber, VG | 2007 – 2013 | Bishops Coakley and Weisenburger |
| Very Rev. Kerry Ninemire, VG | 2014 – 2018 | Bishop Weisenburger |
| Very Rev. Fred Gatschet | 2019 – 2025 | Bishop Vincke |
| Very Rev. Gale Hammerschmidt | 2025 – Present | Bishop Vincke |