Okay, here's the answers:

1. Henry McCarty, a/k/a Billy the Kid.
2. Voltaire, but possibly also others.
3. Boone Helm, as he was hung by the Montana Vigilantes (look him up).
4. Louisa May Alcott.
5. Douglas Fairbanks, St.
6. Henry David Thoreau.
7. Ned Kelly.
8. Robert E. Lee.
9. Alexander Graham Bell (actually done in sign language to his deaf wife).
10. Winston Churchill, who then slipped into a coma.