Patrick Harrigan, age 55 of Lithonia, GA, passed away on January 18, 2015 at DeKalb Medical Center. The funeral service will begin at 9 a.m. on Friday, February 6, 2015 in the Chapel of Darby Funeral Home. Elder Cecil Render will be officiating. Interment will follow at Georgia National Cemetery at 10:30 a.m. The caring staff of Darby Funeral Home is handling these funeral arrangements.