Photo via Marin Independent Journal
Kathleen Charlotte Hoertkorn, known to family and friends as Katie, passed away peacefully on June 2, 2026, at her home in Ross, California. According to the Marin Independent Journal, she was surrounded by loved ones at the time of her passing. Born September 14, 1950, in Milwaukee, Wisconsin, to Nancy and Averill Koss, Hoertkorn spent the final decade of her life confronting a cancer diagnosis with exceptional determination and quiet strength.
Throughout her illness, those close to Hoertkorn remarked on her remarkable courage in facing her health challenges. Her approach to adversity—marked by grace rather than complaint—left an impression on her family and community. Her peaceful passing reflected the same composed dignity she demonstrated throughout her battle, according to family accounts shared with local media.
Hoertkorn's life story reminds us of the importance of resilience and human connection during life's most difficult chapters. Her memory serves as a testament to the strength of character and the enduring impact individuals can have on those around them, regardless of circumstances.



