Sister of St. Casimir Regina Sitkus, 92, died Jan. 6.

A native of Pennsylvania, Sister Regina entered the Sisters of St. Casimir in 1941 and made her final vows in 1949. 

Sister Regina taught and was principal in elementary schools in Illinois, Pennsylvania and Massachusetts. In the Archdiocese of Chicago, she taught at Nativity BVM (1944-1947, 1962-1964); Providence of God (1947-1948); St. Bartholomew, Waukegan (1948-1950); All Saints (1957-1958); and St. Norbert, Northbrook (1958-1962). Most recently Sister Regina participated in the ministry of prayer (2009-2018) at the motherhouse of the Sisters of St. Casimir and then at Franciscan Village in Lemont.