Diego
Meaning
“Spanish name of uncertain origin, possibly a short form of Santiago or from the medieval Didacus”
The story
Diego is one of Spanish naming's genuine etymological puzzles. It may have developed as a short form within Santiago, may continue the medieval Latin Didacus, or may connect with the Greek word didache, teaching. What it should not be presented as is a certain Spanish form meaning supplanter; that explanation simply borrows James's debated history. Saint Diego of Alcalá carried the name in the fifteenth century, and painter Diego Velázquez, artist Diego Rivera, and footballer Diego Maradona gave it enormous cultural range. The US curve is nearly absent before the 1980s, rises through the 1990s and 2000s, and reaches its strongest levels in the 2010s and 2020s. Diego's American growth reflects a Spanish name being used directly, with no need to translate it into James. Its origin remains open, but its identity is unmistakable.
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Diego peaked in the 2010s and the 2020s in nearly equal measure.
Popularity in Brazil
403,169 people · the #68 first name in Brazil · about 1 in 504 · median age 30
Among people named Diego living in Brazil at the 2022 census, more were born in the 1990s than in any other decade.
The census also counted 7,278 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
When you meet Diego
Most people given the name Diego in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Diego deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Diego truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Diego fits with your family’s names and surname.
Where Diego travels
Mexican American · supplanter (Spanish form of James); a steady favorite gaining ground in recent decades
Global crossover · supplanter (Spanish form of James); one of the most popular names across Spain and Latin America and a steadily used US name
Filipino · supplanter (Spanish colonial classic)
Keep exploring
Names like Diego · Global crossover names · Spanish baby names · Filipino baby names · Mexican American baby names
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