John Edward Mrochek

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John Edward Mrochek, 92, resident of Farragut TN, passed away December 31, 2025, at his home surrounded by his loving family.
He was the oldest of two sons born in Wisconsin Rapids to John A and Phyllis M Mrochek. John was the first in his family to graduate from college in 1955. Following his graduation he entered the US Navy where he served for nearly 2 years as a sonar man. Toward the end of his military service, he met and married his wife of over 50 years, Shirley Ann Steiert. They returned to the mid-west where he continued his education in Chemistry at Iowa State University, earning a PhD. The Mrocheks subsequently moved to Oak Ridge TN where John pursued a career in the Chemical Technology Division of Oak Ridge National Laboratory.
John enjoyed working with electronics. He repaired and built radios, TVs, and eventually computers. He was a long time member and officer of the Oak Ridge Sportsman's Association, enjoying many weekend marksmanship competitions there. He was an enthusiastic outdoorsman taking his sons on many hunting and fishing excursions. Boating with his entire family was a particularly favorite pastime.
John is survived by his brother Jerry Mrochek of Madison WI; John's six children and grandchildren, Michael (Diana) Mrochek of El Paso TX and their children Justin and Jenna; Patrick (Becky/deceased) Mrochek of Farragut TN; Susan (David) DePaoli of Farragut TN and their children Dominic and Carmen; Sandra (Frederick) Kennel of Loudon TN; Linda (Brent) Jones of Kingston TN; and Julia (Hubert) Hall of Knoxville TN and their children Victoria and Justine; and John's great grandchildren Rylee, Jaeza, Asher, and Summer.
John is predeceased by his wife Shirley, his parents, his sister Norma and her husband Lyle Nelson.
A funeral mass will be held on January 5 at 11 a.m. at St John Neumann Church, Farragut. The family will receive friends from 12:30 to 1:30 p.m. at Click Funeral Home, Farragut on Monday January 5 and interment will follow at the Oak Ridge Memorial Park. In lieu of flowers, donations may be made to Hospice or your favorite charity. To send flowers to the family or plant a tree in memory of John, please visit our floral store.