proprietress

This term specifically denotes female ownership, carrying a traditional and slightly formal tone. While the gender-neutral proprietor is now more common in professional and legal settings, this word persists in contexts involving boutique hospitality, small shops, or historic estates where a personal, feminine touch is emphasized.

Because it is a countable noun, it follows standard English pluralization rules. It is typically used to describe a person who not only owns the property but often manages its daily operations and maintains a visible presence on the premises.