Kieron
Masculine · “little dark one”
Kieron is the English spelling of an Irish name that two of the country's most important early monks carried. The element at the front means dark, and the endings after it are the ordinary Irish way of making something small and affectionate — so the name is, quite literally, the little dark-haired one. It has been in use in Ireland for fifteen hundred years.
How old is the name Kieron?
Kieron first appears in US birth records in 1953 — 72 years ago. The typical Kieron alive today was born around 2001, making them about 24 years old. About 700 people named Kieron are estimated to be alive in the US today.
When was the name Kieron most popular?
Kieron peaked in 2000, reaching #2864 nationally. Today it ranks #12008, 9,144 places below that high. See the whole 2000 chart.
Where it comes from
From Ciarán to Kieron
The story of Kieron
Two men named Ciarán stand at the beginning of Irish monasticism. One founded Clonmacnoise on the Shannon, which became the great learning center of early medieval Ireland and where kings asked to be buried. The other, of Saighir, is counted among the twelve apostles of Ireland and is remembered in Ossory. Between them they kept the name in continuous use through every century since. Kieron, Kieran and Ciaran are the same name written by different hands: the first two are English settlements of the sound, the third is the Irish spelling, and the o-version is particularly a British and Irish-in-Britain habit.
Meaning
little dark one
From ciar, the Irish word for dark or black, generally describing hair, with a diminutive ending. It is a descriptive name rather than an aspirational one, which was the older Irish habit — people were named for what they looked like far more often than for what anyone hoped they would become.
How the name formed
- Ciarán
- Kieran
- Kieron
Related forms: Ciarán · Ciaran · Ciaran
Pronouncing Kieron
KEER-un
Two syllables, stress on the first, second syllable reduced. The o in the spelling is not said as a full o — it is the same faint vowel that ends Kieran, which is why the two spellings sound identical.
Nicknames for Kieron
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1953
- Most boys named
- 201025 — the highest on record
- Peak rank
- #2864reached in 2000
- Change vs 2024
- −28.6%5 in 2025, from 7
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Kieron in other languages
The same name elsewhere
- Ciarán in Irish — same name
- Ciaran in Scottish Gaelic — same name
- Ciaran in Welsh — spelling variant
Kierons among us
people named Kieron are estimated to be alive in the US today
About 1 boy in 341,615 born in 2025 was named Kieron
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
The Marzell test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kieron's later chapters haven't been written yet, so we borrowed them: Marzell climbed just as high around 1931, and its whole arc is on record. Line the two peaks up, and Marzell's path sketches the road Kieron is walking now.
Kieron sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Kieron beside its neighbors
The names ranked closest to Kieron in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- It is an ancient name with unbroken use, which very few names of any origin can claim.
- The spelling is readable to an English speaker without instruction, unlike the Irish original.
- Kier is a clean short form that works from childhood onward.
- The meaning is concrete and physical rather than a claim about character.
- Kieran is the commoner spelling in America and will be written instead most of the time.
- It is regularly confused with Keiron, Ciaran and even Kieron's near-neighbor Keiran, so dictation is a permanent chore.
- Some readers see the o and try to say it fully, which produces a syllable the name does not have.
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What they receive
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Kieron
Masculine · #12008 in the U.S.
Frequently asked
- How many Kierons are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 700 people named Kieron are estimated to be alive in the US today.
- How popular is the name Kieron in 2025?
- Kieron ranks #12008 among US boy names in 2025, with 5 babies given the name.
- How rare is the name Kieron?
- About 1 in every 341,615 US boys born in 2025 was named Kieron — 5 in all.
- Will my child share the name Kieron with classmates?
- Kieron will almost certainly be the only one in school.
Ranked beside Kieron
Names sitting at a similar level of popularity right now.
Garfield#12008 · Chas#12008 · Lew#12008 · Barney#12008 · Dewitt#12008 · Granville#12008 · Cicero#12008 · Willam#12008
Looking for what else is popular rather than what resembles Kieron? See the current top 100.
Choosing between Kieron and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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