Jill M. Schleinz

Jill Mary Schleinz
June 17, 1954 - September 9, 2025
Jill Mary Schleinz passed away peacefully at home, surrounded by her family, after bravely facing pancreatic cancer. She met her illness with the same strength, resilience, and unwavering spirit that defined her life.
Born on June 17, 1954, at Theda Clark Hospital, Jill was the beloved daughter of the late Harold and Helen Pelton. She grew up in Menasha alongside her siblings Jean (Roger) Herman, Mark (Connie) Pelton and Amy (Scott) Wisner. A proud graduate of Menasha High School, Jill went on to earn her degree in Early Childhood Education from the University of Wisconsin–Stout. She soon discovered her calling as a kindergarten teacher, a role that grew into not only her career but her true passion. Later, she brought that same dedication to the University of Wisconsin–Oshkosh, serving as an instructor in the Education Department and mentoring future teachers. Jill was a passionate advocate for learning, a beloved teacher, a steadfast champion, and a safe place for her students.
In 1977, Jill married the love of her life, Kenneth "Charlie" Schleinz. Over their 48 years together, they built a marriage grounded in love and a steadfast family-first philosophy. They raised two beloved children, Katie (Justin) Michalkiewicz and Paul Schleinz, teaching them that life's greatest gift is the chance to learn, grow, and become their best selves. Jill and Charlie created a life they loved, working in careers they believed in, traveling to new places, hosting gatherings, and cherishing time with loved ones at their cottage on Bass Lake. Along the way, they formed countless lifelong friendships that became as dear as family. From childhood through the years, their friendships remained true, loyal, constant, and unconditional. For her family, Jill was the heart of everything. She loved them fiercely, fought for them bravely, and made each of them better simply by loving them.
Jill embraced each day with joy, laughter, and love. She sang freely, even when the words came out wrong, and was always the first to laugh at herself to lighten the mood. She danced in the kitchen, watched soap operas while ironing, and always kept a "hidden" stash of chocolate chips nearby. She loved a cosmopolitan martini and good conversation, and she never missed the chance to draw heart shapes in the peanut butter toast. She had a long-standing love affair with Diet Coke, kept the house lit up like a church, and was a master of the quick catnap.
As a proud dog "Grammie" to Gus, Wylie, and Henry, she was known for her snuggles and slipping them "just one more" treat. She valued a healthy, active lifestyle and found joy in moving her body. For nearly 40 years, she walked daily, a ritual first shared with her friend Sue and later with her friend Carla, a sacred space for mothers to trade stories, laughter, and steadfast support.
Jill lived a rich and beautiful life, surrounded by love, laughter, and purpose. Her humility, kindness, and warmth lit every room, leaving the world brighter for her presence. She was truly the best of us and will be deeply loved and profoundly missed by all who knew her.
The family extends heartfelt gratitude to the family and friends who became their support network and stood by them throughout Jill's cancer journey. Special thanks to Jill's oncologist, Dr. Bista, who fought tirelessly alongside her, and to her intake nurse, Cheyanne, whose kindness and humor brought moments of light to even the toughest days. They are also deeply grateful to the Moments Hospice care team for their compassionate and dignified care.
In lieu of flowers, please consider a donation to The American Cancer Society or to an organization that reflects your values and passions, something Jill would have wholeheartedly encouraged.
We invite you to join in celebrating Jill's life on Friday, September 26, at Givens Farm Estate, N2828 Givens Road, Hortonville, WI 54944. The gathering will take place from 11:00am to 4:00pm
Visitation: 11:00am – 1:00pm
Spiritual Ceremony: 1:00pm followed by drinks, appetizers, and desserts.