Mark A. Marquardt, Kaukauna, age 63, died on August 17, 2021, at Appleton Medical Center. Mark was born in Appleton, to the late Ervin "Bud" and Theresa (Van Eyck) Marquardt, on October 14, 1957.

Mark is survived by his two sons: Charlie Marquardt, Kaukauna; and Trent Marquardt, Wrightstown; his siblings: Beth (Jeff) Lautenschlager; Luane Anderson; and Deb (Steve) Brockman; along with several nieces and nephews.

In addition to his parents, Mark is preceded in death by his brothers: Daniel Marquardt, and Michael Marquardt; and his brother-in-law, Ken Anderson.

A celebration of life for Mark will be held August 28, at 1000 Islands Environmental Center (1000 Beaulieu Ct, Kaukauna), from 3:00 p.m. until the park's closing.

The family would like to thank the doctors and nurses of ThedaCare Regional Medical Center of Appleton.