Pacelli

Pacelli is a surname of Italian origin, derived from the Latin word 'pax' meaning 'peace'. It is a diminutive form, suggesting 'little peace' or 'peaceful one'. The name likely originated as a nickname for a peaceful person or someone associated with a place of peace. Over time, it became a hereditary surname.

The name gained significant historical prominence through Eugenio Pacelli, who became Pope Pius XII. His papacy during World War II and the Cold War brought the name into global recognition. While primarily a surname, its association with such a significant historical figure has led to occasional use as a given name, particularly in Catholic communities, honoring the Pope.