American Pronouns -- American English -- Page 5

8. Some third person singular American pronouns have gender indicating the sex of the person.

a. He, his, and him refer only to male persons.
b. She, hers, and her refer only to female persons.
c. It and its refer to things and animals. Animals do not have gender with respect to pronouns.

9. The following indefinite pronouns are always singular:

anyone anybody anything each each one everyone everybody
everything every many a someone somebody something either
neither no one nobody nothing one another