Dennis R. Kruck

Dennis R. Kruck of Sussex formerly of Waukesha passed away suddenly on Monday, November 9, 2026 at the age of 79. He was born in Waukesha on June 17, 1947 the son of Clarence and Ruth (nee Kaemmerer) Kruck. He was a graduate of Waukesha South High School and proudly served his country in the United States Air Force during the Vietnam Conflict from 1966 until 1970. Dennis was a longtime member of St. Joseph Catholic Church in Waukesha where he was active in several committees within the church and Waukesha Catholic Schools. He was also a member of the Knights of Columbus Council #1825 and was an avid gardener.

He will be sadly missed by his wife of almost 50 years, Patricia “Pat” Kruck (nee Ferguson); his daughter Amy (Burt) Eichstaedt; step-son Christopher Crawford, grandchildren, Kristeen and Jacob Eichstaedt and Natasha and Cory Crawford and four great-grandchildren. He is also survived by his sisters Carol (the late Willard) Paradise and Judy (Jim) Bostrom; brother Keith (Margaret) Kruck along with nieces, nephews, other relatives and many friends. He was preceded in death by his first wife, Kristeen, sister Sandy (George) Johrendt, his parents and step-mother Tess.

Visitation will be held on Wednesday, November 18, 2026 from 9:30am until the 11:30am funeral Mass at Corpus Christi Parish-St. Joseph Church, 822 N. East Ave., Waukesha. Burial with full military honors will follow at St. Joseph Cemetery. Please, no flowers. Memorials are appreciated to Corpus Christi Parish-St. Joseph Church, the Wounded Warrior Project or St. Jude Children’s Research Hospital.