From the spice name, ultimately from Latin 'piper'; used as a lively given name.
Pepper is a modern English word name, drawn directly from the spice. The English word comes through Latin piper and ultimately from an Indo-Aryan source, so even this seemingly playful modern choice has an ancient trade-route history hidden inside it. As a given name, though, Pepper is much newer and belongs to the rise of vocabulary names in English: names chosen not because they descend from saints or surnames, but because the word itself carries a vivid image, sound, and personality.
Its cultural life has been shaped strongly by pop culture. One of the best-known modern examples is Pepper Potts, the nickname of Virginia Potts in Marvel’s Iron Man stories and films, which helped give the name a quick-witted, stylish, competent aura. Pepper also fits into a broader lineage of spirited English word names, especially those with a bit of zest or mischief.
It sounds energetic and informal, and unlike many floral or jewel names, it is intentionally not delicate. That sharpness is part of its charm. Over time, Pepper has evolved from an unusual nickname-type choice into a recognized modern given name, especially for parents drawn to bold, upbeat, slightly unconventional naming.
It can read as sporty, artistic, or bohemian depending on context. The spice association gives it warmth and bite at once, while the repeated p sound makes it memorable and bright. Pepper is not a name of old aristocratic lineage; it is a name of personality. Its appeal lies in flavor, quickness, and a refusal to be bland.