Dennis Michael O'Leary
April 10, 1947 - July 11, 2026
Dennis Michael O’Leary 79 of White Plains Maryland, passed away on July 11, 2026, at his home. Born on April 10, 1947, to John O’Leary and Margie Montgomery in Washington, DC. Dennis served in the United States Airforce from 1964... View Obituary & Service Information
