The name Eaton is a boy's name of English origin meaning "riverside". Eaton and is often added to lists like Names That Mean Water and discussed in our forums with posts like "Generation CAF #46 (celebrity edition)".
From the experts:
Eaton's similarity to Eton gives it an upscale Old School feel, though in the U.S. a name that sound like eatin' could have teasin' potential. Eaton could also sound like the much-more-familiar Ethan with a tough-guy accent.