O’Brien, Dennis loving brother of Kathleen (Fred) Przybysz and Julie Ann O’Brien-Reno (Donald Reno). Dear uncle of Dr. Aaron (Christine) Przybysz, Andrea (Allison) Glinka Przybysz, Lucas Reno and Sean Reno. Great uncle of Charlotte and Caroline Przybysz. Loving companion of James Papin. Dennis was a teacher and faculty member for greater than 40 years at St. Xavier High School. He was a community activist for the beautification on the Clifton Heights Community. Dennis passed away on January 31, 2020 at the age of 68. Memorial visitation will be held at Saint Xavier High School, 600 West North Bend Rd., 45224 on Saturday, February, 8 from 10 AM until memorial mass at 11 AM. Donations may be made to St. Xavier High School in Dennis’ name. Condolences at hodappfuneralhome.com