Quick answer
Dayton is a boy name meaning "ditch town".
Meaning and history
From an English surname that was derived from places named Deighton, meaning "ditch town" in Old English. Dayton is also the name of a city in Ohio. As a given name, it gained a bit of popularity in the 1990s, probably because it shares a similar sound with names such as Peyton and Clayton.
Notes and context
Usage: english