Sister of Christian Charity Helen (Elizabeth) Kron, 91, died Oct. 5 at Sacred Heart Convent, Wilmette, Illinois. 

Born in Chicago, she entered the novitiate and was given the name Sister Helen in 1948 and made her first vows in 1950.

She served at schools in Michigan, Missouri, Illinois and Minnesota before returning to Wilmette in 1977. At Mallinckrodt College, she served as registrar and then administrative secretary. In 1980, she served at Josephinum High School as the office clerk.

In 1981, Sister Helen moved to Sacred Heart Convent in Wilmette, serving as portress for three years and then supervising the housekeeping staff until 2017.