Eustaquio, of Latin origin, is a distinctive and historic given name for boys. It is derived from the Latin 'Eustace', which is composed of two elements: 'eu' meaning good or well, and 'staceus' signifying steady or steadfast. This naming tradition was popularized during the Middle Ages through the legend of Saint Eustace, a Roman soldier who converted to Christianity after experiencing visions of Christ. The name Eustaquio has been used throughout history, particularly in Spain and Portugal, and remains a unique choice for parents seeking an uncommon yet meaningful name.
"Eustaquio saw its peak popularity during the early to mid-20th century, with consistent usage from 1920 to 1951. However, it has since declined and been relatively uncommon since the latter half of the century."