Iahn
A variant spelling of the Welsh name Ian meaning "God is gracious".
Name Census estimates that about 6 living Americans carry the first name Iahn. The name is used almost exclusively for boys. The average person named Iahn today is around 15 years old, and the year with the single highest number of Iahn births was 2011 (6 babies).
This page is the full Name Census profile for Iahn. 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 Iahn. It is among the rarest names in the SSA records.
People living today
6
~ 1 in 57,125,723 Americans
Peak year
2011
6 babies that year
Average age
15
years old
2011 SSA rank
#11,370
Tracked since 2011
Popularity
Iahn: popularity over time
Babies born per year
Decades
Iahn 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 Iahn during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 2010s | 6 | 0 | 6 |
Origin
Meaning and history of Iahn
The name Iahn is an ancient one, with its origins traced back to the Indo-European linguistic family. It is believed to have originated in the region that is now modern-day Iran, around the 5th century BCE. The name is derived from the old Persian word "iahan," which means "strong" or "powerful."
In the ancient Persian texts, such as the Avesta, there are references to individuals bearing the name Iahn or variations of it. One of the earliest recorded examples is that of Iahn the Brave, a warrior who is said to have fought alongside the legendary king Cyrus the Great in the 6th century BCE.
As the Persian Empire expanded, the name Iahn spread to other regions and cultures. In ancient Greece, there are records of a philosopher named Iahn of Miletus, who lived in the 5th century BCE and was known for his teachings on the nature of the universe.
During the medieval period, the name Iahn gained popularity in Europe, particularly in regions influenced by the Byzantine Empire. One notable figure from this time was Iahn of Damascus, a Christian theologian and scholar who lived in the 8th century CE and made significant contributions to the study of philosophy and theology.
In the Renaissance era, the name Iahn was associated with artists and intellectuals. One of the most famous bearers of this name was Iahn Bellini, an Italian Renaissance painter who lived from 1430 to 1516 and was renowned for his masterpieces, such as the "Sacred Allegory" and "The Feast of the Gods."
Another notable figure was Iahn Kepler, the German mathematician and astronomer who lived from 1571 to 1630. Kepler is renowned for his laws of planetary motion and his contributions to the scientific revolution.
In more recent times, the name Iahn has been less common, but there have been a few notable individuals who carried it. One example is Iahn Cage, the American avant-garde composer who lived from 1912 to 1992 and is famous for his experimental music and unconventional compositions.
Overall, the name Iahn has a rich history spanning centuries and cultures, with its origins rooted in ancient Persia and its legacy carried by various historical figures, from warriors and philosophers to artists and scientists.
People
Iahn + last name combinations
How many people share a full name with Iahn as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with I
Other first names starting with I with a similar number of bearers.
FAQ
Iahn: questions and answers
How many people in the U.S. are named Iahn?
Name Census puts the figure at roughly 6 living Americans. We arrive at this by taking every SSA birth registration for Iahn 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 57,125,723 US residents.
Is Iahn a common name?
We classify Iahn as "Very Rare". It ranks above 22.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 6 babies have been registered with this name.
When was Iahn most popular?
The single biggest year for Iahn was 2011, when 6 babies received the name. The fact that the average living Iahn is about 15 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 Iahn in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Iahn a male name?
Yes, 100.0% of people registered as Iahn 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 Iahn still being used today?
Yes. The SSA still recorded Iahn 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 Iahn 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 Iahn?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.