Mercy Sister Elizabeth “Betty” (Mary Eugenius) Burns, 96, died June 21.

Born in Chicago, she attended Catholic schools and graduated from Mercy High School/St. Patrick Academy in 1943. She entered the Sisters of Mercy in Des Plaines two years later.

Sister Betty served at several Illinois and Wisconsin parochial schools for more than 50 years. She was principal of St. Joan of Arc School, Skokie; St. Catherine of Siena, Oak Park; and St. Stephen Protomartyr, Des Plaines. She also served at Resurrection, St. Finbarr, St. Malachy, Little Flower and Mother McAuley High School in Chicago; St. Mary, Evanston; and St. Mary, Riverside.

In 2002, Sister Betty left teaching and began volunteering in music ministry with people living in assisted living and Alzheimer’s facilities.