a city in southwest Ohio; manufacturing center
"Dayton serves as a historic manufacturing center in southwest Ohio."
A English surname, from Old English​, a variant of Deighton.
"The Dayton family has lived in the same house for three generations, their name preserved as an English surname derived from Old English."
Dayton is a variant spelling of the surname Deighton. Most places with this name originated either directly from the family name itself or from an earlier location also called Dayton that shared the same origin.