Kadyn
Feminine
Kadyn is given to both — 1,434 girls and 3,298 boys since 1880. See Kadyn as a boy nameSee other names given to both
Kadyn belongs to the largest rhyming family in modern American naming. Aiden opened it, and Jayden, Braden, Hayden, Kaden and a hundred spellings between them followed — a set of names that share an ending and almost nothing else. The one at the head of the family is genuinely Irish. Most of the rest, including this one, are built on the sound.
How old is the name Kadyn?
Kadyn first appears in US birth records in 1993 — 32 years ago. The typical Kadyn alive today was born around 2008, making them about 17 years old. About 1,400 people named Kadyn are estimated to be alive in the US today.
When was the name Kadyn most popular?
Kadyn peaked in 2008, reaching #1583 nationally. Today it ranks #14942, 13,359 places below that high. See the whole 2008 chart.
Lists built from the same records:
Where it comes from
Origin, sound and short forms
The story of Kadyn
Aidan came out of early Irish Christianity — a monk from Iona who founded Lindisfarne carried it — and it stayed a specifically Irish name for a very long time. When it entered general American use it did something no one expected: the ending detached. Once -aden and -ayden were available as endings, they combined with almost every consonant in the language, and the resulting names arrived faster than any dictionary could record them. Caden was among the first, and it produced Kaden, Kaeden, Cayden and Kadyn in short order. The y in this spelling is doing the same work y has done throughout that stretch of American naming: marking a family's version as its own.
Meaningnot established
Not established
Aodh was an Old Irish name meaning fire, and it belonged to a god before it belonged to men; Aodhán is its diminutive, and Aidan is the English spelling. That much is solid. Caden is a different matter. It may come from an Irish surname, Mac Cadáin, and it may simply have been made on the Aiden pattern, and there is no way to choose between those. Kadyn is a respelling of Caden, so it inherits the uncertainty rather than resolving it. The honest answer is that this name's meaning is not established.
Pronouncing Kadyn
KAY-din
KAY-din, two syllables, stress at the front, the second vowel reduced almost to nothing. Every spelling in this family is said the same way, which is the whole difficulty: the sound tells a listener nothing about which of a dozen spellings is on the certificate.
Nicknames for Kadyn
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
- 1993
- Most girls named
- 2008144 — the highest on record
- Peak rank
- #1583reached in 2008
- Change vs 2024
- −16.7%5 in 2025, from 6
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.
Kadyn in other languages
The same name elsewhere
- Aodhán in Irish — related form
- Aodh in Irish — related form
Strongest US states over the last decade: Texas, California.
Kadyns among us
people named Kadyn are estimated to be alive in the US today
About 1 girl in 321,453 born in 2025 was named Kadyn
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 Fatimah test
Every popular name lives one long story — a climb, a peak, a slow settling back. Kadyn's later chapters haven't been written yet, so we borrowed them: Fatimah climbed just as high around 1982, and its whole arc is on record. Line the two peaks up, and Fatimah's path sketches the road Kadyn is walking now.
Kadyn 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
Kadyn beside its neighbors
The names ranked closest to Kadyn in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- The sound is entirely familiar to anyone who has been near an American classroom, so it is never mispronounced.
- Kade works as a short form and is a complete name in its own right.
- It goes mostly to boys but a real minority to girls, so it does not close a door in advance.
- There are at least ten spellings of this sound in current use, and none is standard, so the name will be written wrong by default rather than by carelessness.
- The rhyme family dates the name to one narrow stretch of American naming as clearly as a birth year would.
- The meaning is genuinely not established, and a family who wants one will be choosing rather than finding.
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Kadyn
Feminine · #14942 in the U.S.
Frequently asked
- How many Kadyns are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,400 people named Kadyn are estimated to be alive in the US today.
- How popular is the name Kadyn in 2025?
- Kadyn ranks #14942 among US girl names in 2025, with 5 babies given the name.
- How rare is the name Kadyn?
- About 1 in every 321,453 US girls born in 2025 was named Kadyn — 5 in all.
- Will my child share the name Kadyn with classmates?
- Kadyn will almost certainly be the only one in school.
Ranked beside Kadyn
Names sitting at a similar level of popularity right now.
Hester#14942 · Lyda#14942 · Zula#14942 · Zona#14942 · Ula#14942 · Belva#14942 · Lucetta#14942 · Leala#14942
Looking for what else is popular rather than what resembles Kadyn? See the current top 100.
Choosing between Kadyn and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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