It is with tremendous sadness we announce the passing of John Barry Vincent on November 29, 2025. Born December 13, 1945 in Indianapolis, IN to Dale Marie Vincent (Barry) and John “Jack” N. Vincent. John was raised in Webster, SD the middle child and only son. John grew up very active playing golf, basketball, hunting, and fishing. In 1970 he graduated University of South Dakota with a JD in Constitutional Law. After a brief time in the Army and work with a South Dakota Senator, John became a Special Agent with the FBI. This moved him to Chicago where he had an amazing 27 year career. In his personal life, John was an avid golfer, bridge player, reader, self taught DIY master, world traveler, and joke teller. Most important to John was his family, adoring wife Ramona “Rae” (Guarraci), daughters Katie “Kat”, Kerri (Donald Heidenreich) and grandson Jack V. Heidenreich. John took tremendous pride in being a husband, father and provider. John is preceded in death by his parents and sister Jane. Surviving family include his sister Pamela, in-laws, nieces and nephews. Funeral Mass will be at St. James Catholic Church in Arlington Heights, IL on Wednesday December 3 at 12 p.m. John, an active member for over 40 years, most recently an usher for 10 a.m. Mass. Internment will follow at St. Michael the Archangel Cemetery in Palatine. In lieu of flowers, please donate to Tunnel 2 Towers t2t.org or Guiding Eyes for the Blind www.guidingeyes.org.