Ten notable people born on January 18:
- Daniel Webster (U.S. Senator)
- Joseph F. Glidden (invented barbed wire)
- Thomas A. Watson (needed by Alexander Graham Bell)
- A. A. Milne (author)
- Cary Grant (actor)
- J. Andrew Heaton (brother)
- Raymond Briggs (author)
- Gilles Villeneuve (auto racer)
- Brady Anderson (baseball player)
- Richard Yates (former Governor of Illinois)