Kelly M. Marquardt, 47 years, of Sturgeon Bay, passed away Saturday morning, August 22, 2026 surrounded by her family and friends after many years of health challenges. She was born September 8, 1978 in Sturgeon Bay. Kelly graduated from Sturgeon Bay High School. On May 1, 1999 she married John Marquardt on a beautiful day at Cave Point. Kelly and John owned and operated J&M Construction for 18 years. She loved her family, spending time with her sons. Kelly cherished time spent together with family and friends around a campfire. She loved to travel. Her hobbies were traveling and more traveling. She was welcoming to everyone. If you ran into her around town or shopping, she would love to visit and catch up. She was funny and known as "Mom" to many. Surviving family include her devoted and loving husband, John; three sons, Austin, Nickolas (Rachael Cahill), and Christian (Daytona Bertrand); three grandchildren, Sophia, Calvin, Payton; stepdaughter, Gabrielle Birnschein; stepfather, Dale Kasten; and all her dear friends that helped over the years. She was preceded in death by her mom, Jane (Fish) Kasten; son, Sean; and brother, Christopher "Finch". Friends may call Thursday, August 27, 2026 from 4:00 p.m. to 7:00 p.m. at Huehns Funeral Home and again on Friday morning, August 28, 2026 from 9:30 a.m. until the time of service at 11:00 a.m. with Pastor Gary Scharrig officiating. Memorial donations would be gratefully appreciated. Expressions of sympathy, memories, and photos of Kelly may be shared with her family through her tribute page at www.HuehnsFuneralHome.com.