Head to head · Girls' names
Kailany vs Reina
#581 vs #582 in 2025
Kailany is a whisker ahead (#581 vs #582 in 2025), but the curves point different ways: Kailany is climbing the charts fast, Reina is holding its place on the charts.
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: Kailany and Reina 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
- 1890s: Kailany —, Reina #1571 — Reina higher
- 1910s: Kailany —, Reina #3603 — Reina higher
- 1920s: Kailany —, Reina #3363 — Reina higher
- 1930s: Kailany —, Reina #2615 — Reina higher
- 1940s: Kailany —, Reina #2684 — Reina higher
- 1950s: Kailany —, Reina #2273 — Reina higher
- 1960s: Kailany —, Reina #1829 — Reina higher
- 1970s: Kailany —, Reina #1398 — Reina higher
- 1980s: Kailany —, Reina #1105 — Reina higher
- 1990s: Kailany —, Reina #966 — Reina higher
- 2000s: Kailany #13968, Reina #912 — Reina higher
- 2010s: Kailany #8674, Reina #880 — Reina higher
- 2020s: Kailany #1111, Reina #600 — Reina higher
Reina stood higher in every recorded decade — 13 of 13.
Rank by decade
| Decade | Kailany | Reina |
|---|---|---|
| 1890s | — | #1571 |
| 1910s | — | #3603 |
| 1920s | — | #3363 |
| 1930s | — | #2615 |
| 1940s | — | #2684 |
| 1950s | — | #2273 |
| 1960s | — | #1829 |
| 1970s | — | #1398 |
| 1980s | — | #1105 |
| 1990s | — | #966 |
| 2000s | #13968 | #912 |
| 2010s | #8674 | #880 |
| 2020s | #1111 | #600 |
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
Kailany
Not established
Two readings compete, and neither is settled for this spelling. Read through Kailani, the name it most closely resembles, it holds the Hawaiian words kai, 'sea', and lani, 'sky, heaven'. Read as an American coinage, it is the Kai-/Kay- sound family — Kaia, Kayla, Kaylee — carried into a longer ending, the same way Melany and Leilany are written. The written record supports the resemblance in both directions but settles neither.
Our story of Kailany — where the record runs out
Think of Kailany as a name built from parts everyone already owned. The Kai- opening has been traveling for decades, through Kai and Kaia and Kayla; the -lany close is the one that ends Melany and Leilany, an ending that American parents have been writing with a y rather than an i for a long time now.
Reina
queen (Spanish)
In Spanish, reina is simply the everyday word for queen, from Latin regina — that reading is not in doubt. But the same spelling reaches English speakers by other roads. Reina (also spelled Rayna) is an established Yiddish name, and in Japanese Reina's meaning depends entirely on which kanji a family chooses, so no single translation covers it. Which meaning applies depends on which tradition the name came down through.
Regina → Reine → Reina
How it traveled
The Latin regina, queen, gave Romance languages their word and their name: Spanish reina, French reine, Italian and Latin Regina. Spanish is where the given name Reina is most at home, and Spanish-speaking families brought it into American records generations ago.
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
Kailany
kye-LAH-nee
The most common reading follows Kailani: kye-LAH-nee, stress in the middle. Some families say kay-LAH-nee or KAY-luh-nee instead, and because the spelling is new, none of these is wrong — expect to say it once at each introduction.
- Kai — The most common short form; also stands alone as a given name for both boys and girls.
- Lani — Informal; used on its own as a given name in Hawaii and beyond.
- Kaila — Informal, family use; overlaps with the separate name Kaila.
- Kay — A plainer, more old-fashioned short form; a given name in its own right among older generations.
Reina
RAY-nah
RAY-nah in Spanish and in Japanese alike. Some English speakers reach for REE-nah on first sight, reading it as a cousin of Rena or Nina, so expect to correct that occasionally.
- Rei — The simplest clipping; also used on its own as a given name in Japanese.
- Reinita — Spanish diminutive, affectionate and family-level rather than official.
- Rey — Informal shortening in English-speaking settings; note that rey is the Spanish word for king.
- Nina — A playful household nickname drawn from the second syllable, not a formal short form.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Kailany if you want…
- a name on the way upup 989 places on the charts in five years
- a name that feels very nowKailany is climbing the charts fast
Choose Reina if you want…
- a name holding steadyReina is holding its place on the charts
- a name that ages quietlyan estimated 40% chance of feeling dated by 2040, against 61% for Kailany
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
Kailany
Strengths
- Every sound in it is already common in American English, so it can be repeated back correctly even by someone who has never seen it written.
- Two ready-made short forms, Kai and Lani, both of which work as standalone names.
- The vowels behave the same way in English and in Spanish, which helps in bilingual households.
To consider
- The spelling will need saying out loud. Kailani, Kaylani and Keilani are all in use, and forms, rosters and coffee cups will land on the wrong one regularly.
- The final -y invites a second guess at pronunciation: kye-LAH-nee and kay-LAH-nee both look plausible on paper. Deciding early and saying it the same way every time does most of the work.
- There are almost no adults with this name yet, so there is no grown-up version of it to picture. That also means a child is unlikely to share it with anyone in her school.
Reina
Strengths
- Four letters, two syllables, phonetic in Spanish — anyone who speaks the language reads and spells it at a glance.
- Works unchanged in Spanish, English and Japanese, with no adjustment needed when crossing between them.
- On record in the United States across many generations, so it is neither novel nor tied to one moment of fashion.
To consider
- Two live pronunciations, RAY-nah and REE-nah, and the wrong one is an easy first guess for English speakers. Most families settle it with a single friendly correction, but it repeats.
- Reyna is a common alternate spelling in the US, and Raina, Rayna and Rena all sit nearby. Expect forms and rosters to arrive spelled some other way now and then.
- To anyone who speaks Spanish, the name reads as the plain word "queen" — not a hidden etymology but an everyday noun. Some families love that transparency; others find it more declarative than they want.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Kailany
61%chance Kailany feels dated by 2040
Kailany 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.
Reina
40%chance Reina feels dated by 2040
Reina 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 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 Kailany and Reina 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 Kailany and Reina?
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 head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Kailany or Reina — the short answers
- Which is more popular, Kailany or Reina?
- Kailany, in 2025: Kailany ranked #581 with 511 babies; Reina ranked #582 with 510 babies.
- Which name is rising faster, Kailany or Reina?
- Kailany. Over the last five years Kailany moved up 989 places; Reina moved up 9 places.
- Which is the older name, Kailany or Reina?
- Kailany entered the US charts in 2005; Reina entered the US charts in 1896. On the American record, Reina is the older name.
- How many people are named Kailany and Reina?
- About 1,800 people named Kailany are estimated to be alive in the US today. About 13,500 people named Reina are estimated to be alive in the US today.
- Will there be other Kailanys or Reinas in the classroom?
- Kailany will almost certainly be the only one in school. Reina 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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