Head to head · Girls' names
Katherine vs Kylie
#186 vs #204 in 2025 · both stepping back from its peak
Katherine is a whisker ahead (#186 vs #204 in 2025) and both are stepping back from its peak. The records will not split these two — sound, story and your own last name will.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
The tale of the tape
On the charts, Katherine leads 5 measures of 6; Kylie leads 0.
Ranks, counts and years are measured in the official US birth record; the classroom and living figures are estimates computed from it. The dot marks the side each measure favours on the charts — more common, not better.
What the records say
146 years of US births, drawn on one scale
Two curves, one scale
Who owned which decade
- 1880s: Katherine #54, Kylie — — Katherine higher
- 1890s: Katherine #63, Kylie — — Katherine higher
- 1900s: Katherine #62, Kylie — — Katherine higher
- 1910s: Katherine #52, Kylie — — Katherine higher
- 1920s: Katherine #63, Kylie — — Katherine higher
- 1930s: Katherine #98, Kylie — — Katherine higher
- 1940s: Katherine #78, Kylie — — Katherine higher
- 1950s: Katherine #66, Kylie — — Katherine higher
- 1960s: Katherine #80, Kylie #5805 — Katherine higher
- 1970s: Katherine #56, Kylie #2146 — Katherine higher
- 1980s: Katherine #32, Kylie #516 — Katherine higher
- 1990s: Katherine #30, Kylie #150 — Katherine higher
- 2000s: Katherine #39, Kylie #66 — Katherine higher
- 2010s: Katherine #87, Kylie #82 — Kylie higher
- 2020s: Katherine #165, Kylie #182 — Katherine higher
Katherine stood higher in 14 of 15 decades; Katherine took the 2020s.
Rank by decade
| Decade | Katherine | Kylie |
|---|---|---|
| 1880s | #54 | — |
| 1890s | #63 | — |
| 1900s | #62 | — |
| 1910s | #52 | — |
| 1920s | #63 | — |
| 1930s | #98 | — |
| 1940s | #78 | — |
| 1950s | #66 | — |
| 1960s | #80 | #5805 |
| 1970s | #56 | #2146 |
| 1980s | #32 | #516 |
| 1990s | #30 | #150 |
| 2000s | #39 | #66 |
| 2010s | #87 | #82 |
| 2020s | #165 | #182 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Katherine
Not established
The name's origin has never been established. The familiar association with a Greek word for pure is a later reinterpretation attached by writers who found the resemblance convincing, and the earliest recorded forms point somewhere else.
Aikaterine → Catherine → Katherine
How it traveled
The k and the c spellings split along national lines and always have. Germany, the Scandinavian countries and Poland write it with a k, because their alphabets use the letter freely and their languages took the name through Greek.
Kylie
Two competing readings: a boomerang, or a feminine form of Kyle
Australian English has the word kylie (also spelled kiley), a type of flat throwing stick or boomerang, taken from Noongar, a language of Western Australia. Whether the given name comes from that word or was simply formed from Kyle — a Scottish surname and place name from Gaelic caol, 'narrow, a strait' — with the -lie ending shared by Kelly and Kayley, has never been settled. Both readings are seriously held.
How it traveled
The name belongs first to Australia, where it came into common use in the second half of the twentieth century, well before American parents knew it. Its rise there put it in the path of a young Melbourne actress and singer whose recording career took off in the late 1980s and made the spelling recognizable across the English-speaking world.
Where a reading is contested the note says so — this page does not turn a guess into a fact. The chain is each name's recorded forms, oldest first; the story is its opening, told in full on the name's own page.
Out loud, and in short
Katherine
KATH-ur-in
Three syllables with the stress at the front. The middle is reduced almost to nothing, which is why it is spelled with an e in some forms and an a in others.
- Kate — The dominant short form and a complete name in its own right.
- Kitty — An older affectionate form; warm and rather Victorian.
- Rina — Taken from the back; a standing name across several languages.
Kylie
KY-lee
Stress on the first syllable, which rhymes with 'sky'. English speakers read it correctly on sight; the main risk is not mispronunciation but a follow-up question about which spelling you used.
- Ky — The most common short form, used informally at home and among friends; also stands alone as a given name.
- Kyles — A casual, peer-to-peer form rather than a family one.
- Kye — Same sound as Ky, spelled out; occasionally used as an independent name.
- Lee — Drawn from the second syllable; less common, and a standalone name in its own right.
Who has carried each name
Katherine
Katherine Johnson (b. 1918) — NASA mathematician celebrated in Hidden Figures
Katherine Heigl (b. 1978) — Grey's Anatomy's Izzie
Kylie
Kylie Minogue (b. 1968) — Australia's pop icon ("Can't Get You Out of My Head")
Kylie Jenner (b. 1997) — Beauty mogul and reality-TV star
Source: Wikidata — the one source on this page that is not an official agency.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Katherine if you want…
- a name most people already know#186 in 2025, 1,670 babies that year
- a name with more sound in itKatherine runs 3 syllables, Kylie 2
- a long American recordKatherine was already in use when US records began in 1880
- a name that ages quietlyan estimated 12% chance of feeling dated by 2040, against 75% for Kylie
Choose Kylie if you want…
- a name fewer children share#204 in 2025 — kylie will almost certainly be the only one in school
- a name past its most crowded yearsKylie is stepping back from its peak
- a name with fewer syllablesKylie is 2 syllables to Katherine's 3
- a newer arrivalKylie entered the US charts in 1960
Each line is a measured difference between the two names — a rank, a count, a recorded form — never a judgement of either. Save the one that answers your question; it lands on your shortlist.
The trade-offs, name by name
Katherine
Strengths
- It has more short forms than almost any other name, across several registers.
- It is recognized in every European language with small changes.
- It has been in continuous use for well over a thousand years.
To consider
- Two spellings are equally standard and the choice is queried for life.
- No meaning can be given honestly, whatever other pages assert.
- It is common enough that a child may not be the only one nearby.
Kylie
Strengths
- Reads aloud correctly the first time for English speakers — no silent letters, no stress ambiguity.
- Short and complete on its own, while still offering Ky and Kyles for informal use.
- Recognized across the English-speaking world, with an unbroken record in Australia, Britain and the US.
To consider
- Kylee, Kyleigh and Kiley all sound identical, so she will spend her life confirming the spelling — usually with a quick 'with an i-e at the end'.
- The two best-known bearers are both very public figures in music and beauty, and the name carries their echo. That fades with distance, but for now people often mention one of them.
- Its American use clusters within a fairly narrow band of birth years, so it reads as belonging to a particular stretch of decades rather than as a name from everywhere and always.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Katherine
12%chance Katherine feels dated by 2040
Katherine has held the top-100 across 14 different decades — it has never depended on fashion, and names like that read the same at any age.
Kylie
75%chance Kylie feels dated by 2040
Kylie is coming down from a big peak (#49 in 2004). This is the stretch of the cycle where a name starts to sound like the decade it ruled.
A reading of where each name sits on the long naming cycle — computed, not measured, and explained on the data page.
With your last name
Say both in full. The notes are facts about letters and sound — a rhyme, a shared initial, the monogram — not a verdict on either name.
Type a last name to hear Katherine and Kylie in full.
Weighing the whole shortlist? Run the full comparison — up to eight names with your last name, initials, classroom projections and a printable report.
Decide together
Nobody names a baby alone
Still torn between Katherine and Kylie?
Put both to the vote.
One link to your partner, your parents, your sister. Each of them gets the two names, a one-tap answer and room to say why — and every reply lands in one place.
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More than two in the running? Settle it with a bracket or run the full comparison with your last name.
More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists these names appear on
- Long and elegant: names with room to breathe
- Names of the '80s and '90s, currently resting
- Millennial names (born 1981–1996)
- Generation Z names (born 1997–2012)
- all guides
Where Katherine and Kylie each sit in the library — alternatives in the same style, ranked by the same records.
Katherine or Kylie — the short answers
- Which is more popular, Katherine or Kylie?
- Katherine, in 2025: Katherine ranked #186 with 1,670 babies; Kylie ranked #204 with 1,491 babies.
- Which name is rising faster, Katherine or Kylie?
- Neither is rising. Over the last five years Katherine moved down 50 places; Kylie moved down 72 places.
- Which is the older name, Katherine or Kylie?
- Katherine was already in use when US records began in 1880; Kylie entered the US charts in 1960. On the American record, Katherine is the older name.
- How many people are named Katherine and Kylie?
- About 487,000 people named Katherine are estimated to be alive in the US today. About 121,000 people named Kylie are estimated to be alive in the US today.
- Will there be other Katherines or Kylies in the classroom?
- Katherine will almost certainly be the only one in school. Kylie will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025. Votes are battle voters on this site, not the birth record. Data & methodology
Keep playing
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