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Kayce

Feminine · “vigilant”

Kayce is given to both — 3,224 girls and 3,316 boys since 1880. See Kayce as a boy nameSee other names given to both

1955high 1987
#2173 in the U.S.given to only a few children a year
rare85 girls in 2025

Kayce respells Casey — the Irish Ó Cathasaigh, descendant of the vigilant one — from cathasach, watchful.

How old is the name Kayce?

Kayce first appears in US birth records in 1955 — 70 years ago. The typical Kayce alive today was born around 1994, making them about 31 years old. About 3,200 people named Kayce are estimated to be alive in the US today.

When was the name Kayce most popular?

Kayce peaked in 1987, reaching #1209 nationally. Today it ranks #2173, 964 places below that high. See the whole 1987 chart.

Compare this nameMore “K” names

Lists built from the same records:

I

Where it comes from

The story of Kayce

Ó Cathasaigh was a sept of several Irish regions, and the surname reached America in the nineteenth century. The ballad of Casey Jones, a railway engineer killed in 1900, made the sound a given name. Kayce appears in the American registers for girls and is in current use.

Meaning

vigilant, watchful

Through Casey, from the Irish Ó Cathasaigh, from cathasach, 'vigilant', built on cath, 'battle'. English record-keeping produced Casey and Cassidy from related sources. The Kayce spelling is modern American. The Irish is documented.

How the name formed

  1. cathasach
  2. Ó Cathasaigh
  3. Casey
  4. Kayce

Related forms: Casey · Kacey · Kaci

Pronouncing Kayce

KAY-see

Two syllables, stress on the first. All the spellings of the sound are said identically.

Nicknames for Kayce

Moderate

KayThe front sound alone, and a name in its own right with a long record
KaycA clipping, used inside families rather than generally
II

What the data says

The long climb, and where it stands now

GIRLS NAMED · 1955–20251196001198519552025

US babies named Kayce per year from 1955 to 2025
AVERAGE RANK BY DECADE#1#10#100#1000#12091950s2020s

The same years in position rather than babies

First recorded
1955
Most girls named
1987119 — the highest on record
Peak rank
#1209reached in 1987
Change vs 2024
−4.5%85 in 2025, from 89
Kayce sits in the rare tail. Its best year on record was 1987, with 119 girls. Today it is given to few enough children that it does not enter the ranked charts at all.

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.

Kayce in other languages

The same name elsewhere

  • Casey in English — spelling variant
  • Kacey in English — spelling variant
  • Kaci in English — spelling variant

Strongest US states over the last decade: Texas, California, Pennsylvania.

Kayces among us

3,200

people named Kayce are estimated to be alive in the US today

About 1 girl in 18,909 born in 2025 was named Kayce

Estimated from SSA birth records and published actuarial life tables. Method

Spellings of Kayce

#2173
Kayce on the 2025 chart
#704
counting every spelling

The SSA counts spellings, not names. Kayce went to 85 girls in 2025, but Kaycee and Caycee are the same name said out loud. Together the 3 spellings went to 261, which makes it the 704th most-given girls’ name of the year — 1,469 places above the chart.

About 1 girl in 6,158 born in 2025 was given one of these spellings — against 1 in 18,909 for Kayce itself.

Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method

III

Is it right for you

The Raylene test

Every popular name lives one long story — a climb, a peak, a slow settling back. Kayce's later chapters haven't been written yet, so we borrowed them: Raylene climbed just as high around 1949, and its whole arc is on record. Line the two peaks up, and Raylene's path sketches the road Kayce is walking now.

40%chance Kayce will feel dated by 2040
Kayce, aligned on its peakRaylene· peak 1949not yet written
#1#10#100#1000peak-30 yrs+70 yrsRaylene · #4130Kayce today
Kayce today is about where Raylene stood in 1987 — 38 years past a #1210-sized peak. By 2002, Raylene had settled around #2809.
Ages quietlysteadyDates fast

Kayce 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

Where Kayce is headed

19552030

US babies named Kayce per year, 1955 to 2025, with a projection to 2030

Kayce looks set to keep climbing gently, with roughly 55% more babies a year by 2030 if the current curve holds. Its history is short or jumpy, though, so read this as a sketch rather than a promise.

Rising+55% by 2030projected around #1,670 in 2030

Low confidence — fitted on official counts through 2025.

A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.

Kayce beside its neighbors

The names ranked closest to Kayce in 2025, in babies rather than position — the bars are to scale.

Kaycethis name85#2173Kynslee85#2173Karlie85#2173Rosaline85#2173Zadie85#2173

US girls given each name in 2025.

The trade-off

Practical strengths
  • The vigilant meaning is concrete and undisputed.
  • Kay is available as a short form with a long record.
  • Two clean syllables with no pronunciation risk.
What to consider
  • Casey is overwhelmingly the standard spelling.
  • At least five spellings of the sound are in circulation.
  • It is used for both sexes in America.

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What they receive

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Kayce

Feminine · #2173 in the U.S.

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Frequently asked

How many Kayces are there in the world?
No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 3,200 people named Kayce are estimated to be alive in the US today.
How do you spell Kayce?
Kayce is one of 3 recorded spellings. Kaycee is the more common one — 171 births in 2025 against 85 for Kayce.
How popular is the name Kayce in 2025?
Kayce ranks #2173 among US girl names in 2025, with 85 babies given the name.
How rare is the name Kayce?
About 1 in every 18,909 US girls born in 2025 was named Kayce — 85 in all.
Will my child share the name Kayce with classmates?
Kayce will almost certainly be the only one in school.

Ranked beside Kayce

Names sitting at a similar level of popularity right now.

Kynslee#2173 · Karlie#2173 · Rosaline#2173 · Zadie#2173 · Dawn#2173 · Jocelynn#2173 · Hiba#2173 · Esty#2173

Looking for what else is popular rather than what resembles Kayce? See the current top 100.

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US figures from the Social Security Administration. 1880–2025. Data & methodology

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