Career
She is a Republican. Her district consisted of a portion of southeastern Hamilton County, Ohio. She was succeeded by Tom Brinkman Jr., also a Republican. John O'Brien, Jackie O'Brien was elected to a full term in 1986 and served eight terms in the Ohio House of Representatives.
She was a close affiliate of state Rep. Jo Ann Davidson, who was Speaker of the Ohio House from 1995 until her retirement in January 2001. O'Brien chaired the House Housing and Urban Affairs Committee, and she served on several other House committees, including Townships and Elections, Children and Youth, Human Resources, Veterans Affairs, State Government, and Finance and Appropriations.
She was appointed to a five-year term on the Ohio State Library Board in February 2005 and retired in 2009. . Jackie O'Brien was born in July 1931. She lives in Anderson Township, a suburb of Cincinnati in southeastern Hamilton County, Ohio.
John and Jackie O'Brien are the parents of three adult children, John Todd O'Brien (1958), Holly O. Saunders and Heather O. Krombholz. Jackie O'Brien died in November 2013.