Stephen M. Kosubinsky, of Smithtown, died suddenly on Aug. 23, 2010 at age 46. Husband of Patricia. Father of Erin, Brendan and Kayla. Son of Patricia and the late Russell. Brother of James (Karen), Lynda LaCour, Anne Conner (Thomas) and Paul. Also survived by many nieces, nephews, relatives and friends. Visiting was at The Branch Funeral Home, Smithtown. Funeral Mass St Patrick’s RC Church, Smithtown. Interment St Patrick’s Cemetery, Huntington. In lieu of flowers donations to the American Heart Association, 1 Union St., Suite 301, Robbinsville, NJ 08691 would be appreciated.