NameCensus.

UK boy's name

Demario

An Italian masculine name likely derived from "de Mario" meaning "of Mario".

For 2026, the newest official UK baby-name figures on this page are from 2018. That release is the current official benchmark rather than a forecast.

Demario is a boy's name in the UK records. People looking for Demario popularity in 2026 should use the latest official release, which is 2018 in this profile. In that release it ranked #4749, with 3 babies registered with the name. Its strongest year in the published records was 2010, with 6 births.

This profile covers 43 England and Wales registrations across 10 recorded years from 2003 to 2018. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

The latest count is about 50% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 43 living people in the UK are called Demario. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2019 or 2026.

Key insights

  • Demario ranked #4749 for boys in England and Wales in 2018, with 3 registrations.
  • The name peaked in 2010, when 6 boys were registered as Demario.
  • About 43 living people in the UK are estimated to have Demario as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4749

2018

Births in 2018

3

Latest year

Peak year

2010

6 births

Estimated living

43

2026

Meaning

What does Demario mean?

The name Demario has its origins in the Romance languages, derived from the Latin name Demetrius, itself a borrowing from the Greek name Dēmētrios. The name Dēmētrios is believed to have been formed from the combination of the Greek words dēmos (meaning "people") and the name of the goddess Demeter, the ancient Greek deity of agriculture and the annual cycle of crops and fertility.

Demario is a variant spelling that emerged in Italy during the Middle Ages, likely through the influence of Italian and other Romance dialects on the original Greek and Latin forms. It was a popular name among the nobility and aristocracy in regions like Tuscany and Umbria, but also found use among commoners across the Italian peninsula.

One of the earliest recorded instances of the name Demario can be found in the writings of the 13th-century Italian poet and philosopher Dante Alighieri, who mentions a character named Demario in his epic poem the Divine Comedy. In the 14th century, a Demario di Guido was a renowned painter and fresco artist active in the city of Siena.

During the Renaissance period, the name gained further prominence with figures like Demario Beccadelli (1486-1549), an Italian philosopher and humanist scholar, and Demario Cavalcanti (1538-1607), a renowned Italian mathematician and astronomer who made important contributions to the study of optics and mechanics.

In the 17th century, Demario Genovesi (1642-1719) was an Italian jurist and legal scholar who served as a judge in the Grand Duchy of Tuscany, while Demario Grimaldi (1688-1757) was a notable Italian architect and engineer who designed several churches and palaces in his native Genoa.

As the name spread beyond Italy, other notable figures emerged, such as the French painter Demario Delacroix (1798-1863), whose works were pivotal in the development of Romanticism in art, and the Spanish composer Demario Granados (1867-1916), known for his piano compositions and zarzuelas (Spanish operettas).

Sourced from namecensus.com.

Popularity

Demario over time

The chart below shows babies named Demario registered in England and Wales in the years where the name appears in the published records, from 2003 to 2018. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Demario, the clearest high point is 2010. The latest England and Wales figure is 3 births in 2018, compared with 6 at the peak.

Babies born per year

Demario
02356200320102018

Decades

Demario by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Demario was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2010s #3844 18 4
2000s #3297 25 6

Related

Names similar to Demario

FAQ

Demario: questions and answers

How popular is the name Demario in the UK right now?

In 2018, Demario was ranked #4749 for boys in England and Wales, with 3 births registered.

When was Demario most popular?

The peak year on record was 2010, with 6 babies registered as Demario in England and Wales.

What is the meaning and origin of Demario?

An Italian masculine name likely derived from "de Mario" meaning "of Mario".

How many people are called Demario in the UK?

A total of 43 babies have been registered as Demario across the 10 years of ONS England & Wales records shown here.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.