Sister of St. Casimir Mary Balkus, 93, died Dec. 26.

A Chicago native, Sister Mary entered the Sisters of St. Casimir in 1946 from All Saints Parish (Roseland) and made her final vows in 1953.

She taught in schools in Illinois and Maryland.

In the Archdiocese of Chicago, she taught at Sts. Peter and Paul (1948-1952), Our Lady of Vilna (1953-1954), St. George (1959-1960), and Maria High School for 35 years (1960-1967, 1976-2004). She moved to Franciscan Village, Lemont, in 2014, where she served in the ministry of prayer and presence.