McBride has already secured key endorsements, including Attorney General Kathy Jennings, Delaware elected officials and labor leaders.

McBride, 32, has long been considered a rising star in Delaware politics. She worked for former Delaware Gov. Jack Markell and the late Delaware Attorney General Beau Biden. In 2012, she worked as an intern in the Obama administration. She was the first transgender person to speak at the political convention of a major party in 2016, and she has worked as a national spokesperson for the Human Rights Campaign.