Sinsinawa Dominican Sister Diona McNichols, 86, died Aug. 17 in Sinsinawa, Wisconsin.

A Chicago native, Sister Diona made her first religious profession in 1956 and her final profession in 1959. She taught for 29 years and served as associate academic dean for 11 years and administrative assistant for eight years. Sister Diona served in Montana, Wisconsin and Illinois.

In the Archdiocese of Chicago, Sister Diona served at Rosary College, now Dominican University, River Forest, as home economics teacher, 1965-1968, 1980-1991 and 1994-2000; associate academic dean, 1968-1979, when she also served as director of the summer school; and administrative assistant to the chancellor, 1991- 1994. She also ministered as receptionist at St. Luke Parish, River Forest, 2000-2005.

She is survived by a brother, William “Bill” McNichols.