Deonis
A masculine name of Greek origin meaning "having celestial form".
Name Census estimates that about 5 living Americans carry the first name Deonis. The name is used almost exclusively for boys. The average person named Deonis today is around 5 years old, and the year with the single highest number of Deonis births was 2021 (5 babies).
This page is the full Name Census profile for Deonis. 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 Deonis. It is among the rarest names in the SSA records.
People living today
5
~ 1 in 68,550,868 Americans
Peak year
2021
5 babies that year
Average age
5
years old
2021 SSA rank
#12,587
Tracked since 2021
Popularity
Deonis: popularity over time
Babies born per year
Decades
Deonis 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 Deonis during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 2020s | 5 | 0 | 5 |
Origin
Meaning and history of Deonis
The name Deonis has its roots in ancient Greece, believed to have originated from the word "Dionysios," which was derived from the Greek god Dionysus. Dionysus was the god of fertility, wine, and theater, and his name was often associated with joy, revelry, and creativity.
Deonis, as a variation of Dionysios, first appeared in written records around the 5th century BCE. It was a popular name among the Greek aristocracy and was often given to sons born during the celebrations of the Dionysia, the festival honoring Dionysus.
One of the earliest recorded individuals with the name Deonis was Deonis of Chalcis, a Greek poet who lived in the 5th century BCE. He was known for his contributions to the development of lyric poetry and was celebrated for his skill in creating vivid imagery through his works.
In the 4th century BCE, Deonis of Syracuse, a philosopher and mathematician, made significant contributions to the field of geometry. He is credited with developing the concept of the "Delian problem," which involved constructing a cube with a volume twice that of a given cube using only a straightedge and compass.
During the Byzantine era, the name Deonis gained popularity among the ruling classes. One notable figure was Deonis Katakouzenos, a prominent military commander who played a crucial role in the civil wars of the 14th century. He was known for his strategic prowess and loyalty to the imperial family.
In the Renaissance period, Deonis Petavius, a French scholar and theologian born in 1583, made significant contributions to the study of chronology and historical dating. His work, "De Doctrina Temporum" (On the Doctrine of Time), was a pioneering text that established a comprehensive system for calculating historical dates.
Another notable figure was Deonis Papin, a French physicist and inventor born in 1647. He is best known for his contributions to the development of the steam engine and his invention of the pressure cooker, which revolutionized cooking methods and food preservation.
Throughout its history, the name Deonis has maintained a strong connection to its Greek origins, symbolizing creativity, intellectual pursuits, and a celebration of life's pleasures. While its popularity may have waxed and waned over the centuries, it remains a unique and historically significant name rooted in the rich cultural heritage of ancient Greece.
People
Deonis + last name combinations
How many people share a full name with Deonis 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
Deonis: questions and answers
How many people in the U.S. are named Deonis?
Name Census puts the figure at roughly 5 living Americans. We arrive at this by taking every SSA birth registration for Deonis 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 68,550,868 US residents.
Is Deonis a common name?
We classify Deonis as "Very Rare". It ranks above 18.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Deonis most popular?
The single biggest year for Deonis was 2021, when 5 babies received the name. The fact that the average living Deonis is about 5 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 Deonis in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Deonis a male name?
Yes, 100.0% of people registered as Deonis 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 Deonis still being used today?
Yes. The SSA still recorded Deonis 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 Deonis 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 people have Deonis as a first name?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.