(Formerly Sister Marie Estelle)
Sister Mary Jean is a veteran educator, having served the majority of her career in elementary education. She taught at Immaculate Conception schools in Willoughby and Cleveland, St. Mary (Mentor), and St. Agatha-St. Aloysius Cleveland. She has served at St. Aloysius since 1981 as first grade teacher, interim principal, pastoral associate, and now Parish Life Coordinator. Sister Mary Jean is a nationally recognized speaker in the fields of literacy and religious education of young children. In 2018 she was inducted into the Cleveland CYO Hall of Fame in recognition of her dedication as athletic director and track coach at St. Aloysius.