Edward Jerome O’Callaghan, age 42, of Chicago. Beloved son of Joseph M. and Suzanne T. O’Callaghan; dear brother of Col. Joseph M. O’Callaghan, Jr. (Shelia May), Meghan S. O’Callaghan, Colin P. O’Callaghan (Margaret Bogacki), and the late Brighid F. O’Callaghan; loving uncle of Maeve, Nicholas, and Jacob; fond nephew, cousin, and friend of many. Visitation, Friday, May 25, 2018, from 9:30 a.m. until time of Funeral Mass, 10:30 a.m., at St. Peter Catholic Church, 8100 Niles Center Rd., Skokie. Interment, St. Peter Catholic Cemetery, Skokie. In lieu of flowers, memorial contributions may be made to Chicago Canine Rescue, 5272 N. Elston Ave., Chicago, IL, 60630 or Misericordia Heart of Mercy, 6300 N. Ridge Ave., Chicago, IL, 60660. Funeral info: 847.673.6111 or www.habenfuneral.com.