Head to head · Girls' names
Caroline vs Sienna
#96 vs #94 in 2025
Sienna is a whisker ahead (#94 vs #96 in 2025), but the curves point different ways: Sienna is climbing the charts fast, Caroline is stepping back from its peak.
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
The tape is even: Caroline and Sienna each lead 3 measures of 6.
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: Caroline #82, Sienna — — Caroline higher
- 1890s: Caroline #107, Sienna — — Caroline higher
- 1900s: Caroline #141, Sienna — — Caroline higher
- 1910s: Caroline #148, Sienna — — Caroline higher
- 1920s: Caroline #173, Sienna — — Caroline higher
- 1930s: Caroline #176, Sienna — — Caroline higher
- 1940s: Caroline #196, Sienna — — Caroline higher
- 1950s: Caroline #281, Sienna — — Caroline higher
- 1960s: Caroline #204, Sienna #6728 — Caroline higher
- 1970s: Caroline #217, Sienna #5162 — Caroline higher
- 1980s: Caroline #161, Sienna #3063 — Caroline higher
- 1990s: Caroline #93, Sienna #1210 — Caroline higher
- 2000s: Caroline #79, Sienna #426 — Caroline higher
- 2010s: Caroline #67, Sienna #226 — Caroline higher
- 2020s: Caroline #83, Sienna #138 — Caroline higher
Caroline stood higher in every recorded decade — 15 of 15.
Rank by decade
| Decade | Caroline | Sienna |
|---|---|---|
| 1880s | #82 | — |
| 1890s | #107 | — |
| 1900s | #141 | — |
| 1910s | #148 | — |
| 1920s | #173 | — |
| 1930s | #176 | — |
| 1940s | #196 | — |
| 1950s | #281 | — |
| 1960s | #204 | #6728 |
| 1970s | #217 | #5162 |
| 1980s | #161 | #3063 |
| 1990s | #93 | #1210 |
| 2000s | #79 | #426 |
| 2010s | #67 | #226 |
| 2020s | #83 | #138 |
Average national rank across each decade. A dash means the name sat outside the recorded top of that decade.
Around the world
Caroline
Not charting outside the US.
Sienna
- England & Wales#19
- Scotland#36
National statistics offices, latest published year.
The names themselves
Meaning, roots, sound and the people who carried each
Where each name comes from
Caroline
Free man, from the Germanic name Karl
Karl, the root behind Charles and Carolus, is the Germanic word for a free man or simply a man. Caroline carries that meaning at one remove, as the feminine of the Latinized Carolus.
Karl → Carolus → Carolina → Caroline
How it traveled
The line begins with Germanic Karl, Latinized as Carolus and made famous across Europe by Charlemagne. Italian speakers formed the feminine Carolina, and French and German speakers reshaped it as Caroline and Karoline.
Sienna
From Siena, and by way of the pigment, a reddish-brown earth color
The route is clear: the Italian city gave its name to the earth pigment, and the pigment and city together gave the given name. Where the city's own name came from is a separate and unsettled question — Etruscan and Gallic origins have both been argued, and neither has won.
Siena (Tuscan city) → terra di Siena (pigment) → sienna (English color word) → Sienna (given name)
How it traveled
Siena sits in Tuscany, and the clay-rich earth of its countryside was quarried for a pigment that painters simply called terra di Siena — Siena earth. English took it as 'sienna', raw or burnt, and it has been a standard artist's and crayon color ever since.
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
Caroline
KAR-uh-line
American English usually ends the name on a long i, as in line. British and Australian speakers often say KAR-uh-lin, with the last syllable unstressed and shortened. Both are correct and both are widely understood.
- Carrie — The long-established English short form; also given as a name on its own, and strongly represented among generations born in the mid-twentieth century.
- Callie — Informal, widely used in the American South, and independently popular as a standalone given name.
- Caro — Informal and more common in British and Australian usage than American.
- Lina — Informal, drawn from the end of the name; a given name in its own right across Europe and the Arabic-speaking world.
- Also Cara, Line.
Sienna
see-EN-uh
Said the same way as the color, with the stress in the middle. Italian gives the city three syllables too, closer to SYEH-nah, but English speakers reliably land on see-EN-uh without being told.
- Sia — The most common family shortening; also stands alone as a given name in its own right.
- Sienny — Informal and mostly used with young children rather than kept for life.
- Enna — Taken from the middle of the name; informal, used within families rather than widely recognized.
Who has carried each name
Caroline
Caroline Herschel (b. 1750) — First woman paid to do astronomy — discovered eight comets
Caroline Kennedy (b. 1957) — JFK's daughter, author and US ambassador
Caroline Wozniacki (b. 1990) — World No. 1 tennis champion
Sienna
Sienna Miller (b. 1981) — Boho style icon and American Sniper 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 Caroline if you want…
- a name past its most crowded yearsCaroline is stepping back from its peak
- plenty of nickname options6 recorded short forms — Carrie, Callie and Caro
- a long American recordCaroline was already in use when US records began in 1880
Choose Sienna if you want…
- a name on the way upup 72 places on the charts in five years
- a name that charts abroad tooSienna is on the national lists of England & Wales and Scotland
- a newer arrivalSienna 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
Caroline
Strengths
- A spelling English speakers already know: it needs no repeating, no clarifying, no explaining over the phone.
- Several ready-made short forms, from Carrie to Callie to Caro, so both a formal and an informal version arrive with the name.
- Continuous use in English since the eighteenth century, with the same spelling throughout — it has never had to be revived from scratch.
To consider
- Two accepted endings, -line and -lin, mean she may hear her own name pronounced two ways, especially outside the US. Neither is wrong, but she will do some correcting.
- Carolina, Caroline, Karoline and Carolyn are all in circulation, so expect an occasional letter or form to come back with the wrong one.
- With this many short forms available, other people will pick one before she does — teachers, teammates, relatives — and it may not be the one you had in mind.
Sienna
Strengths
- Reads correctly on sight for English speakers, because the color word is already familiar from paintboxes and crayon sets.
- Charts in the United States, England and Scotland at once, so it travels across English-speaking countries without adjustment.
- Common enough to be recognized, uncommon enough that a child is unlikely to share it with a classmate.
To consider
- Siena and Sienna both exist — the city takes one n, the color and the name take two. Expect a lifetime of gentle corrections in the other direction.
- It is climbing steadily, so a child named Sienna now may meet more of them later than the current classroom odds suggest.
- The name's wave is very recent, so nearly all Siennas in the US are children or young adults. That means little in practice, but it does read as a young name for now.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Caroline
74%chance Caroline feels dated by 2040
Caroline is coming down from a big peak (#55 in 2017). This is the stretch of the cycle where a name starts to sound like the decade it ruled.
Sienna
56%chance Sienna feels dated by 2040
Sienna is climbing fast right now. Steep climbs tend to come with steep descents — the quicker a name arrives, the more firmly it belongs to its moment.
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 Caroline and Sienna 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 Caroline and Sienna?
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 that carry both names
Every list here names both Caroline and Sienna — the same style, ranked by the same records.
Caroline or Sienna — the short answers
- Which is more popular, Caroline or Sienna?
- Sienna, in 2025: Sienna ranked #94 with 2,659 babies; Caroline ranked #96 with 2,646 babies.
- Which name is rising faster, Caroline or Sienna?
- Sienna. Over the last five years Caroline moved down 25 places; Sienna moved up 72 places.
- Which is the older name, Caroline or Sienna?
- Caroline was already in use when US records began in 1880; Sienna entered the US charts in 1960. On the American record, Caroline is the older name.
- How many people are named Caroline and Sienna?
- About 197,000 people named Caroline are estimated to be alive in the US today. About 39,500 people named Sienna are estimated to be alive in the US today.
- Will there be other Carolines or Siennas in the classroom?
- Caroline will almost certainly be the only one in school. Sienna will almost certainly be the only one in school.
US figures from the Social Security Administration, 1880–2025; international figures from national statistics agencies. Votes are battle voters on this site, not the birth record. Data & methodology
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