Also, you can look up for videos of Surya Bonaly, Mae Berenice Meite (for singles) and Vanessa James (for pairs).
Also 2-time US champion, World champion, and Olympic bronze medalist Debi Thomas, and the rising young American skater Starr Andrews. You're right that skaters of African descent have been seriously underrepresented in the sport, but there are/have been some terrific exceptions.