At the time of his retirement he was the only jockey to have won five races in a day on four separate occasions.
He remains the only jockey to have been knighted.
Don Brumfield is the only jockey to ever have won both heats.
The nation's leading rider of 1893-94, he remains the only African-American jockey to have won the Derby, Preakness and Belmont.
Except for Winning Colors's first time out as a 2-year-old, when Randy Romero rode her, Stevens has been her only jockey.
He is the only African American jockey to win all three Triple Crown races.
And he is the only jockey in history to win the Kentucky, Epsom, Irish, French and Italian Derbys.
"He is the only jockey that made me more money then he cost me," the California-based trainer Bob Baffert said.
It was also remarked that he was the only great flat jockey of the century to be a great trainer as well.
Before Smith, Cauthen was the only jockey to post six victories on more than one occasion.