Dean S. O’Hanlon, 82, of Kenosha, WI, passed away peacefully on Friday, October 2, 2026, at Hospice Alliance Hospice House in Pleasant Prairie, WI.

Born on April 8, 1944, in Kenosha, WI, he was the son of the late Dale and Wilma (Roberts) O’Hanlon. He attended Columbus Elementary School, Lincoln Junior High, and graduated from Bradford High School in 1963.

On October 2, 1965, he married the love of his life, Ruth Anne (Grove) O’Hanlon at Grace Lutheran Church.

After graduating, Dean briefly worked at American Brass before joining J.I. Case in 1966 as a technician in the Testing Center. He proudly dedicated 35 years to J.I. Case before retiring in 2001, leaving behind a legacy of hard work and dedication.

Dean was a member of St. Paul’s Lutheran Church and formed lasting friendships and a second family during his many years as both a member and an employee of Grace Lutheran Church. He enjoyed hunting pheasants and fishing with his good friend, Ralph, and spending time at his cabin up north in Boulder Junction, WI. He also loved playing cards and cribbage.

Above all, Dean treasured time with his daughters and granddaughters. He loved cheering them on at their sporting events and was always proud to support them and celebrate their accomplishments.

Dean is survived by his loving wife of 61 years, Ruth O’Hanlon; two daughters, Jill O’Hanlon and Jodie (LaKentric) Thomas; three granddaughters, Kayla, Nevaeh, and Korina Thomas; son-in-law, Herman Westerhoud; sister-in-law, Delores O’Hanlon; cousin, Gary Stoneman and many nieces and nephews.

He was preceded in death by his parents and his daughter, Kelly A. O’Hanlon on January 1, 2026; and his brother, Patric O’Hanlon.

A memorial gathering will be held at Proko Funeral Home on Saturday, October 24, 2026, from 10:00 a.m. until the time of service at 11:00 a.m. Interment will be private. In lieu of flowers, memorials to St. Paul’s Lutheran Church or Hospice Alliance would be appreciated by the family.