Donald “Mike” Schmitz | Waukesha County Obituaries


Donald “Mike” Schmitz

July 19, 1935 — May 14, 2022

Donald “Mike” Schmitz of Waukesha went to his final home with God on May 14, 2022. He was born July 19, 1935 in Brownsville to Robert and Martha Schmitz. Her parents taught her to work hard and never give up in life. Most of his childhood were fond memories.

He was the loving and devoted husband of Joan M. Schmitz for 46 years. He was the loving father of Mark Schmitz, Waukesha; Jennifer (Chuck) Chapman, West Bend; and David Schmitz, Waukesha. He was the caring stepfather of Kathleen Landolt, Waukesha; Laura Tewes, Minnesota; Thomas (Julie) Landolt, Stevens Point and Steven (Michelle) Landolt, Oklahoma. He was the doting grandfather of 19 grandchildren, Stacie (Adam) Gruse: Annie (Alex) Silvia; Kelly, Kate and Sam Schmitz; Emily (Sean) Wooley; Joshua, Michael and Nicholas Schmitz; Ryan and Matthew Smith; Michelle (Jeremy) Kruckeberg; Bradley Falls (Chelsea); Thomas and Andrew Landolt; Tracy Peters, Kyle, Kristofer and Keri Landolt. Great-grandfather of Adley Landolt; Saxon and Maddox Peters; Anders Kruckeberg; Charlotte and Frank Gruse; Everly and Amelia Silva; Oliver Woolley. He is survived by his sisters Carol Klamarowski and Verna Lese, as well as his brothers Joe, Tom, Jim and Rob Schmitz, all of Fond Du Lac. He will also be remembered by many other relatives and many friends.

He was predeceased by his first wife Jean (Dooley) Schmitz and daughter Ann (Mike) Smith, both by his parents and brother John Schmitz.

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He joined the United States Navy in 1955 and served on two different aircraft carriers. He moved to the Milwaukee area in 1958 where he pursued a career as a plumber. In 1966, he earned and received his master plumber’s license. In 1972 he purchased Cox Plumbing Co., Inc. in Waukesha. He was very involved in the plumbing industry and served on local and national boards. He was president of the Wisconsin Plumbing, Heating Cooling Contractors Association in 1997 and served on the State Plumbing Apprenticeship Advisory Committee for over 10 years. He was a devoted member of St. William’s Church in Waukesha and a member of the Knights of Columbus since 1965.

He was known as an honest and friendly guy who loved life. He enjoyed traveling around the world with his wife. He was baptized in the Jordan alongside the late Reggie White (Green Bay Packer player), who is part of the Hall of Fame. At 67, he won his first jet ski race. Although he came last as he drove the Slinger Race Track at the age of 68 with a car that overheated, preventing him from achieving his top spot. He was a devout Catholic who was not afraid to show his commitment to God and who will be remembered for the example he set and which we so miss.

A memorial gathering will be held for Mike on Thursday, May 26 from 10 a.m. to 12 p.m. with a Christian burial mass to follow at 12 p.m. at St. William’s Catholic Church, 440 N. Moreland Blvd., Waukesha, WI 53188.

In lieu of flowers, memorials in Mike’s memory can be returned to The Wounded Warrior Project by visiting Cesarz, Charapata & Zinnecker Funeral Home, Cremation and Pre-Planning Services serves the family. For an online obituary or to leave a message of condolence, please visit, or call 262-542-6609.

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