Mulroney is the only daughter and eldest child of the 18th Mulroney is the eldest of four children and only daughter of former Mulroney has an undergraduate degree in Government from Harvard and a Mulroney is fluent in French, English, Spanish and Serbian.After university, Mulroney worked as a financial analyst at On September 20, 2017, she attended the ground-breaking of the Brian Mulroney Institute of Government at When Mulroney served as joint master of ceremonies for the federal Following the sudden resignation of Ontario PC leader On February 4, 2018, she declared her candidacy for the On February 4, 2018, Mulroney expressed concern to the Two workers in Mulroney's camp privately admitted to CBC News in separate conversations that she was not in the lead while two former MPs who had endorsed Mulroney, In the leadership election held March 10, 2018, Mulroney came in third, behind winner In the 2018 Ontario Election, Mulroney was elected to serve as the MPP for Mulroney voted in support of the Ford government's September 2018 proposal to use In April 2019, as Attorney General of Ontario, Mulroney led a sweeping implementation of the budget austerity measures of the Ford administration on the justice file.After winning her riding nomination, Mulroney criticized the Liberal government for its minimum wage hike.Mulroney is married to Andrew Lapham, former executive advisor at Mulroney and her husband lived in the United States until 2005.

After his victory, Bouchard sent her a handwritten thank-you note for her efforts in getting him elected to the PC government.

When she was 14, Mulroney campaigned for Lucien Bouchard during the 1988 Lac St. Jean by-election.

She had the first of their four children on October 30, 2004,

In 1990, she helped canvass for Ontario PC candidate Alex Burney in the 1990 Ontario election. She felt betrayed after Bouchard defected from her father's party to the Bloc Québécois.