Henry received a Bachelor of Arts from Drew University in 1991 and a Juris Doctor from the District of Columbia School of Law in 1995.

[2] From 1995 to 1996, Henry was a staff attorney at the Feminist Majority Foundation in Arlington, Virginia.

President Biden nominated Henry to the seat vacated by Judge Edward G. Smith, who died on November 27, 2023.

[5] On June 20, 2024, a hearing on her nomination was held before the Senate Judiciary Committee.

[7] On November 21, 2024, the United States Senate invoked cloture on her nomination by a 50–49 vote.