Kathleen O'Brien Carrnouche, a beloved wife, mother, sister, and friend, passed away peacefully surrounded by her loving family on March 25, 2025, in her home in Baton Rouge, Louisiana. Born on October 16, 1949, in Delavan, WI to Edward and Laverne O'Brien. Kathleen is survived by her loving husband of 27 years, Don Carmouche, who was her partner in life and love. Kathleen was a devoted mother to her daughter, Cristina (Michael), and a loving stepmother to her three stepsons, Donnie (Jaime), John (Trisha), and Brian (Shannon)and her wonderful ten step-grandchildren. Her family was her greatest treasure, and she nurtured them with love, wisdom, and a witty sense of humor that brightened every gathering. She is also survived by her siblings, Patrick (Jenny), Colleen, and Molly (Erik), who will forever hold her memory close to their hearts. Kathleen was predeceased by her parents, Laverne and Edward O'Brien, and her siblings Mike, Rory, and Kerry, who welcomed her with open arms. Kathleen's academic journey was a testament to her dedication and passion for learning. She graduated from the University of Wisconsin-Madison with a Bachelor of Arts degree, followed by a master's degree in Italian from UCLA. Her pursuit of knowledge culminated in a Juris Doctor from Tulane Law School. With her law degree, Kathleen became a passionate prosecutor, tirelessly advocating for victims and earning the respect and admiration of her colleagues and the community. Her unwavering commitment to justice and her compassionate spirit made a lasting impact on many lives. An avid animal lover, Kathleen found joy in the company of her beloved pets, including her horse, Romeo, and her two Gordon Setters, Rose and McDougal. Her home was a sanctuary of love, laughter, and warmth, where her family and furry friends thrived. A celebration of Kathleen's remarkable life will be held on Saturday, March 29, 2025, at St Jude the Apostle Catholic Church, located at 9150 Highland Rd., Baton Rouge, LA 70810. Visitation will begin at12:30 PM, followed by a Mass at 1:45 PM. In honoring Kathleen's legacy, let us remember her fierce spirit, her unwavering love for her family, and her dedication to making the world a better place. She will be dearly missed but forever cherished in the hearts of those who loved her. The family expresses heartfelt gratitude to the Pinnacle and Decision Critical medical staff for providing compassionate care and ensuring her comfort during her final days.