A milliner.
A person who makes and sells lady's hats in called a milliner.
A hatter is a person who makes and sells hats.
A milliner
That would be a milliner.
A milliner is a person who designs, makes, trims, or sells women's hats.
A haberdasher is a person who sells men's hats.
One who makes hats can be called a hatter or a milliner.
A person who makes or sells hats is called a milliner. Traditionally, milliners design and create fashionable hats, often for women, and may also sell them in boutiques or shops. The term can also refer to those who specialize in the craft of hat-making.
A milliner
A milliner is a person who makes hats.
somebody who designs, makes, or sells women's hats.
Apart from Mad Hatter, many fashion designers make hats for ladies.