John Dineen

John Dineen, Ret CPD, born on July 4, 1936, on the West Side of Chicago to the late Tom and Dorothy Dineen, passed away on March 25, 2026.

Beloved husband of Marilyn Dineen, nee Callahan, for 68 years. Loving father to Karen (John) Kissane, Susan Dineen, Cindy (Norb) Sliwa, John Michael Dineen, and Timothy (Ret CPD) (Sue) Dineen. Adored and devoted grandfather to AJ (CPD), Jonathan, Beth, Dave, Kyle, Kevin, Megan, Rose, Maggie, and Maddie. He was a great-grandfather to 11. Fond brother of Tom (the late Jean) and Patricia Hennessy, and revered uncle to many nieces and nephews.

John was a proud St. Mel’s alum, Army veteran, and devoted member of the Knights of Columbus. He was a longtime member of the CPD and the dedicated President of the Fraternal Order of Police for over twenty years, which also included a two-year term as the national FOP president. He was a champion for labor rights and officer benefits whose decades of service and visionary leadership left a lasting impact on the department and all those he represented.

Above all else, John enjoyed spending time with his family and friends. The family extends their heartfelt gratitude to his caretakers, Kathy, Lynn, Maria, Alice, and nurse Margaret, for their kind and gentle service in the final chapter of his life. In lieu of flowers or donations, please consider supporting the 100 Club of Illinois or Mercy Home for Boys & Girls.

Visitation Sunday 3-8 p.m. at Cooney Funeral Home, 625 Busse Hwy in Park Ridge.  Funeral Monday, family and friends are asked to meet at St. Juliana Church for Mass at 12 noon.  Interment St. Joseph Cemetery, Info 847-685-1002 www.cooneyfuneralhome.com