Head to head · Boys' names
Kash vs Koa
#286 vs #269 in 2025
Koa is a whisker ahead (#269 vs #286 in 2025), but the curves point different ways: Koa is climbing the charts fast, Kash 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: Kash and Koa 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
- 1910s: Kash #3749, Koa — — Kash higher
- 1920s: Kash #3872, Koa — — Kash higher
- 1930s: Kash #3679, Koa — — Kash higher
- 1950s: Kash #3589, Koa — — Kash higher
- 1960s: Kash #3576, Koa — — Kash higher
- 1970s: Kash #3885, Koa #4554 — Kash higher
- 1980s: Kash #4953, Koa #5204 — Kash higher
- 1990s: Kash #3508, Koa #5311 — Kash higher
- 2000s: Kash #1795, Koa #2897 — Kash higher
- 2010s: Kash #424, Koa #1277 — Kash higher
- 2020s: Kash #263, Koa #389 — Kash higher
Kash stood higher in every recorded decade — 11 of 11.
Rank by decade
| Decade | Kash | Koa |
|---|---|---|
| 1910s | #3749 | — |
| 1920s | #3872 | — |
| 1930s | #3679 | — |
| 1950s | #3589 | — |
| 1960s | #3576 | — |
| 1970s | #3885 | #4554 |
| 1980s | #4953 | #5204 |
| 1990s | #3508 | #5311 |
| 2000s | #1795 | #2897 |
| 2010s | #424 | #1277 |
| 2020s | #263 | #389 |
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
Kash
Depends on the road: 'case' or 'money-box' by way of the surname Cash, or 'one who reveals' if it stands for Arabic Kashif
As a respelling of the surname Cash, it traces to Old French casse, a case or box — the same word that gave English 'cash' in the sense of a money chest, and the surname likely belonged to case-makers. A competing account derives the surname Cash from Cassius. Separately, Kash is used as a short form of the Arabic name Kashif, from a root meaning to uncover or reveal. All three are in real use behind this spelling.
casse (Old French, 'case, box') → Cash (English surname) → Cash (American given name) → Kash
How it traveled
The surname Cash has been on English rolls for centuries, and it crossed to America early, where it is best known through the singer Johnny Cash. Surnames-as-first-names are an old American habit, and Cash joined that stream; Kash followed it with the K that also gave us Kayden beside Caden and Kaleb beside Caleb.
Koa
brave, bold, a warrior — and the koa tree of Hawaii
The two senses belong together in Hawaiian: koa names the hard, prized native hardwood as well as courage in a person.
How it traveled
Koa is a Hawaiian word used as a name. It carries the sense of bravery and of a warrior, and it is also the everyday name of Acacia koa, a tree endemic to the Hawaiian Islands whose timber was worked into canoes, paddles, surfboards and, from the nineteenth century onward, instruments.
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
Kash
KASH
One syllable, rhyming exactly with cash. No one will mispronounce it; the K is the only thing that needs spelling out.
- Kashy — Informal, mostly used by family and in the early years; the name is already short enough that many bearers never take a nickname at all.
- K — Initial-only, common on teams and among friends rather than in writing.
- Kash — Works in the other direction as well — the everyday short form for Kashif and Kashton, so a longer legal name can sit behind it.
Koa
KOH-ah
Two syllables, both vowels sounded, stress on the first. It is not a single-syllable "koh" — the final a is heard clearly, as in Hawaiian.
- Ko — Informal, family-level shortening; most bearers use the full name, which is already short.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Kash if you want…
- a name fewer children share#286 in 2025 — kash will almost certainly be the only one in school
- a name holding steadyKash is holding its place on the charts
- plenty of nickname options3 recorded short forms — Kashy, K and Kash
Choose Koa if you want…
- a name most people already know#269 in 2025, 1,281 babies that year
- a name on the way upup 313 places on the charts in five years
- a name that stays wholeone recorded short form for Koa (Ko)
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
Kash
Strengths
- One syllable, said the same way by every English speaker on first sight — no pronunciation lesson ever required.
- Reaches the same spelling from two directions: the English surname Cash and the Arabic name Kashif, so it sits comfortably in more than one family tradition.
- Can serve as the short form of a longer legal name such as Kashton or Kashif if you want both a formal and an everyday option.
To consider
- It is a homophone of the word for money, and people will make the joke. Most of it is affectionate and most of it happens once, but it does not go away.
- Cash is the spelling most people expect, so Kash will be corrected on forms and rosters for life. It is a one-letter fix, but it is a lifelong one.
- Almost everyone carrying this spelling right now is a child, so for the moment it reads distinctly young — there are few adult Kashes to set the tone. That will shift as this generation grows up.
Koa
Strengths
- Three letters, spelled as it sounds; a reader who has never seen it can usually say it on the first try.
- Short enough to sit beside almost any surname or longer middle name without crowding it.
- A real word with a documented meaning in Hawaiian, tied to a specific tree and a specific place.
To consider
- It is a living Hawaiian word, not a decorative sound. Native Hawaiian families use it with that weight, and parents with no connection to the islands are sometimes asked, kindly or otherwise, where the name came from. Worth having an answer you are comfortable giving.
- It is climbing quickly, which means the name a child hears as unusual in preschool may feel considerably more common by high school.
- Expect occasional mishearings and near-misses: Koda, Kona, Noah, Cody. And it is a well-used dog name, which some families find charming and others would rather know in advance.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Kash
40%chance Kash feels dated by 2040
Kash 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.
Koa
58%chance Koa feels dated by 2040
Koa 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 Kash and Koa 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 Kash and Koa?
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 Kash and Koa — the same style, ranked by the same records.
Kash or Koa — the short answers
- Which is more popular, Kash or Koa?
- Koa, in 2025: Koa ranked #269 with 1,281 babies; Kash ranked #286 with 1,183 babies.
- Which name is rising faster, Kash or Koa?
- Koa. Over the last five years Kash moved down 31 places; Koa moved up 313 places.
- Which is the older name, Kash or Koa?
- Kash entered the US charts in 1916; Koa entered the US charts in 1978. On the American record, Kash is the older name.
- How many people are named Kash and Koa?
- About 17,000 people named Kash are estimated to be alive in the US today. About 7,700 people named Koa are estimated to be alive in the US today.
- Will there be other Kashs or Koas in the classroom?
- Kash will almost certainly be the only one in school. Koa 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
Sixty more head-to-heads are dealt in the arena every day — or line up Kash, Koa and the rest of your shortlist with your last name in one printable report.
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