Diogo
Of Portuguese origin, meaning "supplanter" or "successor".
Name Census estimates that about 436 living Americans carry the first name Diogo. The name is used almost exclusively for boys. The average person named Diogo today is around 18 years old, and the year with the single highest number of Diogo births was 2004 (67 babies).
This page is the full Name Census profile for Diogo. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
436
~ 1 in 786,134 Americans
Peak year
2004
67 babies that year
Average age
18
years old
2024 SSA rank
#9,188
Tracked since 2001
Popularity
Diogo: popularity over time
The SSA tracks Diogo from the 2000s through to the 2020s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 305 total registrations. Usage has dropped considerably from its 2000s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Diogo by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Diogo during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Diogos live
The SSA's state-level files cover 7 states and territories. California, Texas, New York recorded the most babies named Diogo, while Illinois, Massachusetts, Florida recorded the fewest. The average across all reporting states is about 22 registrations each.
Origin
Meaning and history of Diogo
The given name Diogo originated from the Portuguese language and culture. It emerged during the Late Medieval period, around the 13th century. The name is derived from the Late Latin name Didacus, which in turn came from the Greek name Didymos, meaning "twin". Similar spellings include Diego in Spanish and Diago in Italian.
One of the earliest recorded uses of the name Diogo was in the 13th century, referring to Diogo Lopes de Haro, a Portuguese nobleman and military leader who fought against the Moors during the Reconquista. He lived from around 1210 to 1285.
In the 15th century, the explorer Diogo Cão, born around 1452, is credited as the first European to discover the Congo River and explore the western coast of Africa. He was a notable navigator during the Age of Discovery.
Another historical figure with this name was Diogo de Azambuja, a Portuguese explorer and colonial administrator who lived from around 1432 to 1518. He played a significant role in establishing Portuguese settlements along the western coast of Africa.
Diogo Ribeiro, born in 1459, was a renowned Portuguese cartographer and one of the most important map-makers of the Age of Discovery. His world map, known as the "Ribeiro Planisphere" or "Carta Universal," is considered one of the earliest surviving Portuguese nautical charts.
In the 16th century, Diogo de Couto, a Portuguese historian and writer, lived from 1542 to 1616. He is best known for his work "Décadas da Ásia," a historical account of the Portuguese presence in Asia, particularly in India.
These are just a few examples of notable individuals throughout history who bore the given name Diogo, which has its roots in Portuguese and Late Latin origins, with connections to Greek words for "twin" and early references dating back to the 13th century.
People
Diogo + last name combinations
How many people share a full name with Diogo as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with D
Other first names starting with D with a similar number of bearers.
FAQ
Diogo: questions and answers
How many people in the U.S. are named Diogo?
Name Census puts the figure at roughly 436 living Americans. We arrive at this by taking every SSA birth registration for Diogo going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 786,134 US residents.
Is Diogo a common name?
We classify Diogo as "Very Rare". It ranks above 83.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 441 babies have been registered with this name.
When was Diogo most popular?
The single biggest year for Diogo was 2004, when 67 babies received the name. The fact that the average living Diogo is about 18 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Diogo a male name?
Yes, 100.0% of people registered as Diogo in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.