Most beautiful
Derived from the Greek name Kallistos, meaning 'most beautiful.' It was historically popular among early Christians and was borne by three popes, often Latinized as Callixtus.
About 20 boys were named Calixto in 2025.
Third-century Pope and martyr
Renowned Spanish theater and opera director
Cuban general in the Ten Years' War
US births per 5-year period, 1990–present (SSA data).
