Pinky, derived from the Latin 'Princentius,' was a popular diminutive during the Middle Ages. It originally meant 'little prince' or 'royal one.' In recent times, Pinky has been adopted as a unisex given name, reflecting its versatility and charm.
The name Pinky experienced fluctuating popularity throughout the late 19th to mid-20th century, with a significant spike in usage from 1946 to 1958.