NameCensus.
Very Rare

Dacio

A masculine name of Latin origin meaning "from Dacia".

Name Census estimates that about 10 living Americans carry the first name Dacio. The name is used almost exclusively for boys. The average person named Dacio today is around 12 years old, and the year with the single highest number of Dacio births was 2009 (5 babies).

This page is the full Name Census profile for Dacio. 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.

Key insights

  • Fewer than 100 living Americans are believed to carry the name Dacio. It is among the rarest names in the SSA records.

People living today

10

~ 1 in 34,275,434 Americans

Peak year

2009

5 babies that year

Average age

12

years old

2018 SSA rank

#12,555

Tracked since 2009

Popularity

Dacio: popularity over time

The SSA tracks Dacio from the 2000s through to the 2010s, spanning 2 decades of birth certificate data. The biggest single decade for the name was the 2010s, with 5 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.

Babies born per year

0134520102015

Decades

Dacio 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 Dacio during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.

DecadeMaleFemaleTotal
2000s505
2010s505

Origin

Meaning and history of Dacio

The name Dacio has its origins in ancient Rome, deriving from the Latin word "Dacia," which referred to the region that is now modern-day Romania. This region was home to the Dacian people, a Thracian tribe that fiercely resisted Roman conquest for many years under the leadership of their king, Decebalus.

In the early 2nd century AD, the Roman Emperor Trajan eventually conquered Dacia and incorporated it into the Roman Empire. The name Dacio likely emerged during this time as a way to commemorate the hard-won victory over the Dacians. It may have been given as a name to Roman soldiers or settlers who were instrumental in the conquest or subsequent colonization of the region.

One of the earliest recorded instances of the name Dacio can be found in the writings of the 2nd-century Roman historian Cassius Dio, who mentions a Roman soldier by that name who fought in the Dacian Wars. Another notable figure from antiquity was Dacio Valente, a 4th-century Roman general who served under the Emperor Valentinian I.

During the Middle Ages, the name Dacio seems to have fallen out of use, only to resurface in the Renaissance period. One notable bearer of the name was Dacio Quintio, an Italian humanist and poet who lived in the 15th century and wrote extensively on classical literature.

In the 17th century, there was a Spanish painter named Dacio Crespi who was known for his religious works and portraits. He was active in Bologna, Italy, and his paintings can still be found in various churches and galleries throughout Europe.

Another noteworthy figure was Dacio Bartoli, an Italian Jesuit scholar and writer who lived in the 17th century. He wrote extensively on various scientific topics, including optics and magnetism, and is considered one of the pioneers of the scientific revolution in Italy.

Moving into the modern era, one of the most famous bearers of the name Dacio was Dacio Protić, a Serbian politician and prime minister who lived from 1857 to 1923. He played a pivotal role in the formation of the Kingdom of Serbs, Croats, and Slovenes, which later became Yugoslavia.

These are just a few examples of notable individuals throughout history who have borne the name Dacio, a name that traces its roots back to the ancient Roman conquest of the Dacian people and their homeland.

People

Dacio + last name combinations

How many people share a full name with Dacio 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

Dacio: questions and answers

How many people in the U.S. are named Dacio?

Name Census puts the figure at roughly 10 living Americans. We arrive at this by taking every SSA birth registration for Dacio 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 34,275,434 US residents.

Is Dacio a common name?

We classify Dacio as "Very Rare". It ranks above 28.5% of all first names in the SSA dataset by living bearers. Across the full history of the data, 10 babies have been registered with this name.

When was Dacio most popular?

The single biggest year for Dacio was 2009, when 5 babies received the name. The fact that the average living Dacio is about 12 years old gives you a rough sense of which era contributed the most bearers who are still alive today.

What does the SSA popularity chart show?

The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Dacio in that year. That makes it useful for spotting when the name rose, peaked, or faded.

Is Dacio a male name?

Yes, 100.0% of people registered as Dacio 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.

Is Dacio still being used today?

Yes. The SSA still recorded Dacio in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.

Why can a name have a lot of living bearers even if it is not trendy now?

Because living-bearer counts and current baby-name popularity measure different things. A name like Dacio can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.

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.

Does every first name have Census demographic data?

No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.

How many Americans are named Dacio?

HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.

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Dacio

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