Joan Arlene Koch's obituary , Passed away on May 4, 2026 in Waterloo, Illinois

Joan Arlene Koch

July 1, 1944 - May 4, 2026 (81 years old)

Waterloo, Illinois

Joan Arlene Koch's obituary , Passed away on May 4, 2026 in Waterloo, Illinois

Funeral arrangement under the care of
Quernheim Funeral Home

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Joan Arlene Koch

July 1, 1944 - May 4, 2026 (81 years old)

Waterloo, Illinois

Joan Arlene Koch Obituary

The world bids farewell to Joan Arlene Koch of Waterloo, Illinois, born in Red Bud, Illinois, departing on May 4, 2026 at the age of 81. Joan leaves behind memories cherished by the community. Leave a sympathy message to the family in the guestbook on this memorial page of Joan Arlene Koch to show support.

She was predeceased by: her husband Perry Koch; her parents, Francis Unterseh and Lydia Unterseh; and her sister Frances Josten. She is survived by: her children, Ken Washausen (Julie) and Glen Washausen (Brenda); her stepchildren, Mark Koch (Kate) and Angela Koch (Chuck Bader); her grandchildren, Ken Jr. Washausen (Chastidy), Tyler Washausen, Michael Washausen, Brenton Washausen (Rachel), Tyler Sephus (Sarah), Brittany Sephus, Kaden Washausen, Jaycee Spencer and Tony Braydlow; her stepgrandchildren, Sarah, Kaitlin, Alexander, Aaron and Hannah; her great grandchild Sawyer Sephus; and her brothers, Roy Unterseh (Bonnie), Ray Unterseh (Judy), Ronald Unterseh (Patricia), Ricky Unterseh (Susan) and Randy Unterseh. She is also survived by nieces and nephews.

Visitation was held on Monday, May 11th 2026 from 9:00 AM to 11:00 AM at the Immanuel Lutheran Church (522 S Church St, Waterloo, IL 62298). A funeral service was held on Monday, May 11th 2026 at 11:00 AM at the same location. A burial was held on Monday, May 11th 2026 at the St. John Cemetery.

As an expression of sympathy, the family prefers memorial contributions to: Immanuel Lutheran Church - Waterloo, IL.

Funeral arrangement under the care of
Quernheim Funeral Home



Mon

May 11

Visitation

Immanuel Lutheran Church
522 S Church St, Waterloo, IL 62298

Mon

May 11

Funeral service

Immanuel Lutheran Church
522 S Church St, Waterloo, IL 62298

Mon

May 11

Burial

St. John Cemetery

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