Jill Nikolai, 61, of Kenosha, passed away on April 22, 2026, at Froedtert South Pleasant Prairie Hospital, surrounded by her loving family.
Jill was born on May 4, 1964, in Sterling, IL, the daughter of the late John and Connie (Knox) Milles. She was educated in the schools of Rock Falls, IL. Jill married Greg Nikolai on March 4, 1989, at First Christian Church in Rock Falls, IL. She was a member of The Kingdom Hall of Jehovah’s Witnesses. Her hobbies included cooking, baking, crafts, but most of all, she loved spending time with her friends and family.
Survivors include her son, Andrew Nikolai of Kenosha, and her sister, Julie Milles of Rock Falls, IL. Jill was preceded in death by her parents, husband, and grandparents.
A celebration of life will be held at a later date.
