NameCensus.
Very Rare

Dairion

Of uncertain origin, possibly meaning "powerful gift" or "great king".

Name Census estimates that about 13 living Americans carry the first name Dairion. The name is used almost exclusively for boys. The average person named Dairion today is around 19 years old, and the year with the single highest number of Dairion births was 2009 (7 babies).

This page is the full Name Census profile for Dairion. 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 Dairion. It is among the rarest names in the SSA records.

People living today

13

~ 1 in 26,365,718 Americans

Peak year

2009

7 babies that year

Average age

19

years old

2009 SSA rank

#10,084

Tracked since 2005

Popularity

Dairion: popularity over time

Babies born per year

024572005

Decades

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

DecadeMaleFemaleTotal
2000s13013

Origin

Meaning and history of Dairion

The name Dairion is believed to have originated from the Gaelic language, spoken in Ireland and Scotland. It is thought to be derived from the Old Irish word "dair," meaning "oak tree," combined with the suffix "-on," which was a common way of forming names in ancient Celtic cultures.

The earliest recorded use of the name Dairion dates back to the 6th century AD, when it appeared in ancient Irish genealogies and records. During this time, the name was often associated with individuals of noble or royal descent, as oak trees were revered symbols of strength and endurance in Celtic mythology.

One of the most notable historical figures bearing the name Dairion was a 7th-century Irish king from the Kingdom of Leinster. Known as Dairion the Fearless, he is celebrated for his bravery in battles against the neighboring kingdoms and his efforts to unite the various clans under his rule.

In the 9th century, a Gaelic monk named Dairion of Iona was renowned for his scholarship and contributions to the preservation of ancient Celtic manuscripts. His writings on the history and traditions of the Gaelic people are considered invaluable sources for understanding the cultural heritage of Ireland and Scotland during the Middle Ages.

Another significant figure was Dairion the Bard, a 12th-century Scottish poet and storyteller who is credited with composing some of the earliest known ballads and epic tales in the Gaelic language. His works were instrumental in preserving the rich oral tradition of the Scottish Highlands and inspired generations of bards and storytellers.

During the 16th century, a Scottish nobleman named Dairion MacLeod gained prominence as a skilled negotiator and diplomat. He played a crucial role in mediating disputes between rival clans and was highly respected for his wisdom and impartiality in resolving conflicts.

In the 18th century, an Irish soldier named Dairion O'Brien earned fame for his valor and leadership during the Jacobite Risings. He fought alongside Scottish Highlanders in their struggle against the English crown, and his exploits were celebrated in songs and stories passed down through generations.

While the name Dairion has ancient roots and a rich historical legacy, its usage became less common in recent centuries. However, it has enjoyed a resurgence in popularity in recent decades, particularly among families with Celtic ancestry who seek to honor their cultural heritage through the naming of their children.

People

Dairion + last name combinations

How many people share a full name with Dairion 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

Dairion: questions and answers

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

Name Census puts the figure at roughly 13 living Americans. We arrive at this by taking every SSA birth registration for Dairion 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 26,365,718 US residents.

Is Dairion a common name?

We classify Dairion as "Very Rare". It ranks above 33.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 13 babies have been registered with this name.

When was Dairion most popular?

The single biggest year for Dairion was 2009, when 7 babies received the name. The fact that the average living Dairion is about 19 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 Dairion in that year. That makes it useful for spotting when the name rose, peaked, or faded.

Is Dairion a male name?

Yes, 100.0% of people registered as Dairion 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 Dairion still being used today?

Yes. The SSA still recorded Dairion 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 Dairion 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 Dairion as a first name?

For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.

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Name Census
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There are 13 people

with the first name

Dairion

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