John O'Connor is in his first term representing Commissioner District 3 (Charlotte Hall, Mechanicsville, Golden Beach and the Seventh District). He was raised on Long Island, New York, where his family has served the NYPD for several generations. He currently resides in Mechanicsville with his wife Elizabeth and son John Edward II.


Upon graduation from high school, he joined the United States Army and served as a Military Police Officer, earning the rank of Sergeant. He participated in peacekeeping missions in Kosovo, and combat operations during Operation Iraqi Freedom. John is a highly decorated veteran, and during his tour in Iraq, he was awarded the Purple Heart and received the Army Commendation Medal with Valor Device for participation in acts of heroism involving direct conflict with an armed enemy.


O’Connor earned an Associate’s degree from Kaplan University in Criminal Justice Administration and a Bachelor of Science in Management degree from The John's Hopkins University. At John’s Hopkins his studies focused on Public Safety Leadership as part of the John’s Hopkins University’s Public Safety Leadership Program.


After completing his Army enlistment, he continued his public service as a police officer in both paid and volunteer positions. Following his retirement in April 2015, O’Connor resumed his law enforcement career as Chief Pilot  with a local department in Maryland. 


O’Connor is a Distinguished Lifetime Member of the NRA, a private pilot, UAS pilot and supporter of civil aviation initiatives. He is an associate member of St. Mary’s Advanced Life Support and continues to be active in groups such as; The Wounded Warrior Project, Military Order of the Purple Heart, Veterans of Foreign Wars Post 2632, American Legion Post 221, Iraq and Afghanistan Veterans Association, Thomas J. Shryock Masonic Lodge No. 223 A.F & A.M , Raeford Masonic Lodge No. 306 A.F & A.M, Association of the United States Army, and Fraternal Order of Police Lodge # 9, the Local Government Insurance Trust (LGIT) Board of Trustees as well as a member of LGIT’s Risk Management subcommittee.