Michael O'Connor was born in Frederick. He graduated from Saint John's at Prospect Hall High School (now Saint John's Catholic Prep) in 1984, and Saint Bonaventure University, with a double major in history and mass communication, in 1988. Michael spent nearly 20 years in local media as a reporter, news director, talk show host, senior producer, and moderator with WJEJ, Hagerstown (1988-89), WFMD-WFRE, Frederick (1989-1997), and Comcast (Adelphia, GS Communications) Cable Channel 10, Frederick (1997-2006).
Since 2006, Michael has been the business manager at Saint Katharine Drexel Roman Catholic Congregation in Frederick. He also spent nine years as adjunct faculty at Frederick Community College (2000-2009).
Michael was first elected to the Board of Alderman, in 2009. He has been the chair of the Streets and Sanitation Committee, and the aldermanic liaison to the Historic Preservation Commission and the Parks and Recreation Commission. Michael is a member of the Community Action Agency, Celebrate Frederick, and Delaplaine Visual Arts and Education Center Boards. He also represented the Alderman on the Blight and Vacant Property Task Force.
In the community, he has been a volunteer with various organizations including Saint Katharine Drexel, the Frederick County Workforce Development Board, Friends of Catholic Education, Saint John's Catholic Prep, Frederick Jaycees, Knights of Columbus, and Aspire Frederick. Michael resides in NAC 6 with wife, Tammy, their two daughters, and three dogs.