Um, its obvious isn't it. They sell nails at hardware stores, so obviously they don't have a specific name for someone who sells nails. Sorry to disappoint you. The person who sells them works in a hardware store may also have screws and hammers and stuff. Or if you mean nails as in fingernails. Go to a nail salon. They sell fake nails.
Hammers is a German name meaning Hammer's son. Hammer was an occupational name for maker or user of hammers or nickname for a forceful person.
A haberdasher is a person who sells men's hats.
Antone Hammers's birth name is Antone Henry Hammers.
Nail technician.
A realtor
Sales person
Milliner
A food seller!
Cloth sallesman ?
A milliner
Textile Merchant