Kathleen Claudia Diderrich, 82, of Oconomowoc, WI, was peacefully called home to the lord on December 29th, 2025 surrounded by the love of her family.

Kathleen lived a life rooted in faith, kindness and devotion to those she loved. She was a devoted wife, mother, grandmother, sister, and friend, always placing her family first and offering comfort, wisdom, and love to everyone she met.

Kathleen found joy in the simple blessings of life, spending time with her family, her faith, baking, crafts, antiquing, gardening and modeling. Her strength, generosity, and gentle spirit will forever remain in the hearts of those who knew her.

She was preceded in death by her loving husband Peter M. Diderrich.

She is survived by her children, Steven (Joni) Diderrich, Kevin Diderrich, Wendy Higgins, James (Jolie) Diderrich, Alisha Diderrich, Derek Diderrich, Debra (Sean) Pathammavong. Grandchildren, McKenzi Higgins, Dylan Diderrich, Brady Diderrich, Steven Diderrich Jr., Tessa Diderrich, Steffany Sauer, Maya Diderrich, Kaleb Pathammavong.

Visitation will be held from 10:00am until the time of Mass of Christian Burial at 12:00pm on Thursday January 8th, 2026, at St. Jerome Catholic Church. 995 Silver Lake St., Oconomowoc, WI 53066.

“She was deeply loved, and she will never be forgotten”