| Judge | Mary M. Sowinski |
| Address | Oneida County Courthouse P.O. Box 400, 1 S. Oneida Ave. Rhinelander, Wisconsin 54501 |
| Office Hours | Monday – Friday, 8:00 a.m. – Noon and 1:00 p.m. – 4:30 p.m. | 2nd Floor |
| Committee Of Jurisdiction | Public Safety Committee |
Staff
| Name | Position | Phone Number |
| Sowinski, Mary M. | Circuit Court Judge | 715-369-6200 |
| Metropulos, Michelle | Judicial Assistant Branch II | 715-369-6200 FAX: 715-369-7820 |
| Hilgendorf, Lisa | Juvenile Court Clerk/Deputy Reg. in Probate | 715-369-6231 |
| Weinfurter, Amy | Register in Probate | 715-369-6159 |
| Horne, Lisa | Court Reporter Branch II | 715-369-6214 |
| Hatfield, Deborah | Family Court Commissioner | |
| Adams, Jim | Bailiff | |
| Conlin, Joe | Bailiff | |
| Groleau, Janet | Bailiff | |
| Wallace, Lois | Bailiff | |
| Winkler, Mavis | Bailiff |
