Mark J. Witucki, 64, passed away peacefully at home on June 5, 2026, in Yuma, Arizona. He was born on December 23, 1961, in Wausau, Wisconsin.

Mark dedicated more than 41 years of his career to Wausau Window and Wall, where he was known for his strong work ethic and commitment until his retirement.

He was a proud member of the Yuma Moose Lodge and enjoyed spending time with friends playing Loud Mouth Bingo. Mark loved fishing, riding his Harley-Davidson motorcycle, and spending weekends camping in Wisconsin with his wife, children and stepchildren. He especially treasured family gatherings and making memories with those he loved. Mark was known for his love of cooking and smoking food for family and friends.

Mark is survived by his beloved wife, LouAnn Witucki (aka: Lovely Bride); his sons and daughters-in-law, Tyler and Shayna Witucki of Wausau, Wisconsin, and Hayden and Allison Witucki of Virginia; his stepson, Paul Skrzypchak and friend Jen of Marathon, Wisconsin; his stepdaughter and son-in-law, Adam and Tanya Lensmire of Wausau, Wisconsin; and his cherished grandson, River Witucki.

He is also survived by his mother and stepfather, Carol and John Nortman of Black River Falls, Wisconsin; his brother, Steve (Renee) Witucki of Key West, Florida; his sisters, Mary Witucki of Wausau, Wisconsin, Lori Grande (Jeffery) of Weston, Wisconsin, and Connie (Dave) Schulz/Witucki of Rib Mountain,  Wisconsin; his mother-in-law, Juanita (Roger) Landwehr of, Wausau, Wisconsin; his brother-in-law, Greg (Joan) Landwehr of Marathon, Wisconsin; his sister-in-law, Sally Landwehr of Marathon, Wisconsin; his brother-in-law, Lorell (Julie) Landwehr of Marathon, Wisconsin; his brother-in-law, Ken Landwehr of Weston, Wisconsin; his sister-in-law, Kathy Havey of Gleason, Wisconsin; his sister-in-law, Lori (Allen) Stieber of Rothschild, Wisconsin; as well as many nieces and nephews.

He was preceded in death by his father, Ralph Witucki; his father-in-law, Roger Landwehr; and his brothers-in-law, Randy Landwehr and Rick Landwehr.

A Celebration of Life will be held in Wisconsin at a date and time to be determined. Mark's final resting places will be in both Yuma, Arizona, and Wisconsin.

Mark will be remembered for his kindness, his devotion to family and friends, his sense of humor, and the joy he brought to those around him. He will be deeply missed and forever loved.