McCourt as well as several other officials are potential candidates for the position, but US State Department Spokesperson Heather Nauert remains a "leading contender" to become the ambassador to the United Nations, sources said on Monday.
READ MORE: Trump Considers State Dept. Spokesperson Nauert for US Envoy to UN — Reports
On October 9, Trump announced outgoing UN Ambassador Nikki Haley had submitted her resignation and planned to leave the administration at the end of the year.