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Dennis George Jackson

August 30, 2020 | 6 comments

Dennis George Jackson, 73, of Onalaska, WI passed away peacefully on Friday, August 28, 2020 at Mayo Clinic Health System in La Crosse.

Dennis was born in Mondovi, WI August 1, 1947 to George and Inga Jackson. He married his loving wife of 48 years, Sandra Jackson on August 5th, 1972 in Quincy, Massachusetts.

In his early years, Dennis was a Boyscout and spent several years helping his dad at the family business, Jackson Implement in Mondovi.  Dennis graduated from Mondovi High School in 1965.  He served in the United States Navy for 30+ years, he retired from the Navy in 1995.  Following his retirement from the Navy, he went to work at the Post Office in La Crosse.  Dennis also owned and ran Classic Quality Services with his sons for many years.  Dennis had a love for classic cars, buying, selling, and attending car shows.  His family will remember him for the unending love he had for them and those close to him.

Dennis is survived by his wife, Sandra Jackson.  Two sons, Scott (Jennifer) Jackson of Onalaska and Steve (Jenifer) Jackson of West Salem.  Five grandchildren: Abby, Alex, Sammi, Andrew, and Matthew.  His sister Karen (Fred) Seyforth of Mondovi.  He also leaves behind many cousins, nieces, nephews, and friends.

He was proceeded in death by his parents, George and Inga Jackson, and his sister Carmen Odegard.

The family wishes to extend a special thanks to all the caregivers at Mayo Health System in La Crosse for the compassionate care provided to Dennis.

Services will be held on Friday, September 4th with Visitation from 3-4pm followed by a funeral service at 4pm held at Coulee Region Cremation Group: The Gathering Place, Onalaska.

To view Dennis’ Tribute Video, please click the following link: https://www.tributeslides.com/tributes/show/YFWL5636YXS9X8M8



  1. Jon Garrett

    My condolences go out to the Jackson family. Dennis was a great guy. The memories of Dennis I will always remember.
    Prayers are with the Jackson family during these difficult times. May you Rest In Peace
    Dennis. Your friend Jon Garrett.

  2. Kim Henderson

    I am so sorry to learn of Dennis‘s passing. Hugs to all of you at this difficult time. 🙏❤️😔

  3. Carl Christianson

    Sending Sincere Condolences. I knew Dennis while serving in the world’s finest Navy. He was one that contributed to making it the finest. May God add his richest blessings to our memories of this fine man.
    Carl Christianson, Master Chief, USN, Ret.

  4. Red Laursen

    Sandy, Scott, Steve and family I am saddened to hear of the passing of a great friend. I was fortunate to have him call me last week. We had many great times and laughs over the years. Rose and I are thinking of you all at this difficult time. May Dennis rest in peace.

  5. Jim Mcarthur

    Great friend. Met Den while we both in the Navy stationed at Naval Reserve Center LaCrosse. Fair Winds and following Seas Shipmate. Jim McArthur, chief Petty Officer, USN

  6. Cindy Mashak/Steve Peterson

    We worked with Dennis at the post office. He was truly a character.
    We are going to miss him. RIP


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