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John J. Treslley

November 17, 1935 ~ September 2, 2020 (age 84)


John J. Treslley II, 84 of Elkhorn, WI, died September 2, 2020, at his home. Mr. Treslley was a retired pipe fitter/plumber and member of Union Local 130 Plumbers and Pipe Fitters, Chicago, IL. He was born Nov. 17, 1935, in Chicago, IL, to John J. Treslley Sr. and Theodora S. (Jajkowski) Treslley. Mr. Treslley was a beloved father, grandfather, and great-grandfather. He loved the Green Bay Packers, fishing, and was immeasurably proud of his life’s greatest work – his family. He married Rosemary A. Capone on Sept. 24, 1954, and she preceded him in death.

John is survived by two sons, John J. Treslley III, of Lore City, OH and Jeffery M. (Annemarie) Treslley, of Vero Beach, FL; two daughters, Jennifer A. (Michael Belding) Treslley-Belding, of Huntington, IN and Jodi A. Treslley, of Elkhorn; and a daughter-in-law, Jo Ellen Treslley.  Also surviving are two sisters, Judith (Alan) Sprehe, of Wheeling, IL and Myrene Iozzo, of Hoffman Estates, IL; and a brother-in-law, Robert Downey Jr., of Chicago, IL. His 13 grandchildren and 13 great-grandchildren also survive, Tracy (Sean Richards) Treslley, and their daughters, Ellie Dalton and Kaelyn Richards; Master Sgt. John J. Treslley IV, and his daughters, Ava and Ivy Treslley; Katherine (Christopher Glockner) Treslley; Jessica (Tristan) Erdahl, and their children, Emily Ann, William James, and Isabella Rose Erdahl; Jenna (Brian) Skanron; James A. Treslley Jr.; Dr. Erica (Tyler) Schmitt, and their children, Brayden Charles, Elianna Jean and Luke Jeffery Schmitt; Jeffery (Leah) Treslley Jr., and their daughter, Dinah Joan Treslley; Kirstin (Michael) Moore, and their son, Huxley Michael Moore; Lauren (Jason) Winterfeld, and their sons, Jackson Michael and Vincent James Winterfeld; Adam G. Wilson; Tylor J. Treslley; and Dylan J. Treslley. He was preceded in death by both parents; his wife, Rosemary; his son, James A. Treslley Sr.; his sister, Joan Downey; and his brother-in-law, Frank Iozzo.  

Visitation will be 9:00 to 10:30AM on Thursday, Sept. 10,2020 at Haase-Lockwood Funeral Home, 730 N. Wisconsin St., Elkhorn. Funeral Mass will be 11:00AM on Thursday, Sept. 10 at St. Patrick’s Catholic Church, 107 W. Walworth St. Elkhorn, with Fr. Oriol Regales officiating.  Burial will follow services at Mt. Olivet Cemetery in Elkhorn. In lieu of flowers, memorial contributions may be directed to the charity of choice in Mr. Treslley’s name. Online guest book at  Haase-Lockwood & Associates Funeral Homes and Crematory completed arrangements for the Treslley Family.

To send flowers to John's family, please visit our floral store.


September 10, 2020

9:00 AM to 10:30 AM
Haase-Lockwood & Associates Elkhorn
730 N. Wisconsin St
Elkhorn, WI 53121

Funeral Mass
September 10, 2020

11:00 AM
St. Patrick's Catholic Church
107 W. Walworth Street
Elkhorn, WI 53121

Interment following funeral service
September 10, 2020

Mt. Olivet Cemetery Elkhorn
W. Court Street
Elkhorn, WI 53121


Charity of your choice

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