From Greek 'euarestos' meaning 'well-pleasing'; borne by an early pope and several saints.
Evaristo descends from the Greek Euarestos, a compound of "eu" (well, good) and "arestos" (pleasing), yielding the gracious meaning "well-pleasing" or "pleasing to all." It entered the Latin Church early and with considerable gravity: Pope Evaristus, who served as the fifth bishop of Rome around 99–107 AD, was among the earliest successors to Saint Peter, making this one of the most ancient names in continuous papal history.
He is venerated as a martyr in the Catholic Church, though the historical record of his martyrdom is uncertain. The Italian and Spanish forms Evaristo gained particular footing in the Iberian Peninsula and Latin America, where it maintained steady if modest usage through the 19th century. Argentine theater history claims an Evaristo at its center: Evaristo Carriego, the early 20th-century Buenos Aires poet who wrote tenderly about the city's outskirts and working-class life, was later eulogized by Jorge Luis Borges, who dedicated an entire biographical essay to him — a rare honor that anchored the name in Argentine literary consciousness.
Today Evaristo is uncommon nearly everywhere, which gives it the particular quality of rare historic names: learned, slightly formal, instantly memorable. It carries no irony, no fashionable reinvention — only the quiet confidence of a name that has endured two millennia without needing to chase trends.