Pernel / Petronella / Petronilla

Pernel is a medieval English name, a diminutive form of Petronilla. Petronilla itself is a Latin name derived from Petronius, a Roman family name. The connection to 'petra' meaning 'rock' or 'stone' is often cited, giving the name its meaning. While Petronilla was a popular saint's name, Pernel emerged as a vernacular form in England during the Middle Ages.

The name Pernel, and its longer form Petronilla, saw significant use in medieval Europe, particularly among the nobility and common folk alike. Over time, its popularity waned, and it became quite rare. In modern times, it is occasionally rediscovered as a unique and historical choice, sometimes used for both boys and girls, though historically it was predominantly female.