Christianne (Heneisen) Hammer, 54, of Eureka died July 6, 2026, at Barnes-Jewish Hospital after a long illness. Ms. Hammer was a graduate of Eureka High School and held a bachelor’s degree from Florida Southern College, where she was a member of the Alpha Chi Omega sorority. She enjoyed a career in banking, finance and specialized construction accounting. She was employed by Vivian Company and was a past employee of New Ground International. She loved spending time with her family and dogs, gardening, decorating, dancing, running and spending time at the beach. As a young girl, she was active in Girl Scouts, competitive swimming and cheerleading. Born May 21, 1972, she was the daughter of Barbara and the late Howard Heneisen.
In addition to her mother, she is survived by three children: Kaelin, Ezekiel and Sophia Hammer; two siblings: Jeff (Rhonda) and Steve (Mandy) Heneisen; nieces and nephews: Holly (Dave) James, Ryan (Melissa) Heneisen, Jessica Rademacher, Matt Rademacher, Mike and Mitchell Miller; great-nieces and nephews: Marley Vanderveld, Joey Heneisen and Braxton Rademacher; and many other family members and friends.
A celebration of life will be held at a later date. Arrangements are under the direction of Schrader Funeral Home and Crematory.