John Michael Renehan, Jr., 77, of Madison, CT passed away Saturday, February 13, 2016. Preceded in death by his parents Dr. John M. Renehan and Helen O'Donnell Renehan of Ansonia, CT and sister Nancy Renehan Dalton of Ansonia, CT. He is survived by his wife of 53 years, Dorothy Walters Renehan, and his sons Peter D. Renehan of Greenwich, CT, and John M. (Jay) Renehan III and his wife, Lisa of Seattle, Washington and their 3 sons, John M. Renehan IV, Stewart A. Renehan, and Thomas C. Renehan. He graduated from Ansonia High School (1957) and Quinnipiac College (1961), and worked in sales for 3M and other industrial concerns throughout Connecticut. A lifelong sailor and boater, he hailed from Madison Beach Club and Essex Yacht Club. Funeral services will be held at 11:00 on Thursday, February 18 at St. Margaret Church in Madison, CT. If desired, donations may be made to Scranton Memorial Library, 801 Boston Post Road, Madison CT 06443. To sign the online guestbook please visit hawleylincolnmemorial.com.