Head to head · Boys' names
Gunnar vs Kyro
#612 vs #611 in 2025
Kyro is a whisker ahead (#611 vs #612 in 2025), but the curves point different ways: Kyro is climbing the charts fast, Gunnar 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: Gunnar and Kyro 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: Gunnar #1035, Kyro — — Gunnar higher
- 1900s: Gunnar #1264, Kyro — — Gunnar higher
- 1910s: Gunnar #1533, Kyro — — Gunnar higher
- 1920s: Gunnar #2353, Kyro — — Gunnar higher
- 1930s: Gunnar #2403, Kyro — — Gunnar higher
- 1940s: Gunnar #2389, Kyro — — Gunnar higher
- 1950s: Gunnar #1945, Kyro — — Gunnar higher
- 1960s: Gunnar #1723, Kyro — — Gunnar higher
- 1970s: Gunnar #2074, Kyro — — Gunnar higher
- 1980s: Gunnar #2111, Kyro — — Gunnar higher
- 1990s: Gunnar #703, Kyro — — Gunnar higher
- 2000s: Gunnar #556, Kyro #9319 — Gunnar higher
- 2010s: Gunnar #447, Kyro #4181 — Gunnar higher
- 2020s: Gunnar #577, Kyro #704 — Gunnar higher
Gunnar stood higher in every recorded decade — 14 of 14.
Rank by decade
| Decade | Gunnar | Kyro |
|---|---|---|
| 1890s | #1035 | — |
| 1900s | #1264 | — |
| 1910s | #1533 | — |
| 1920s | #2353 | — |
| 1930s | #2403 | — |
| 1940s | #2389 | — |
| 1950s | #1945 | — |
| 1960s | #1723 | — |
| 1970s | #2074 | — |
| 1980s | #2111 | — |
| 1990s | #703 | — |
| 2000s | #556 | #9319 |
| 2010s | #447 | #4181 |
| 2020s | #577 | #704 |
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
Gunnar
warrior, fighter — literally 'battle-army'
From Old Norse Gunnarr, combining gunnr 'battle, war' with the element -arr, from herr 'army, warrior'.
Gundahar (Old High German) → Gunnarr (Old Norse) → Gunnar
How it traveled
Gunnar comes from Old Norse Gunnarr, a compound of gunnr, 'battle', and an element meaning 'army' or 'warrior' — the same Germanic pair that produced Gunther further south. It belongs to the oldest layer of Norse naming and turns up in the great medieval texts: Gunnarr of Hlíðarendi is the doomed hero of Njáls saga, written in Iceland in the thirteenth century, and Gunnarr appears in the legendary poems of the Poetic Edda as the brother of Gudrún.
Kyro
Not established
No meaning has been established for Kyro. What is documented is the company it keeps: it is spelled and sounded almost exactly like Kyros, the Greek form of the Persian royal name that reaches English as Cyrus, and it rose in the same years as Cairo and Kairo. Whether American parents arrived at it through any of those, or simply built it from sounds they liked, the record does not say.
Our story of Kyro — where the record runs out
Picture the name as a meeting point rather than a descendant. Everything in it already existed in American naming — the K that Kyle and Kyrie made ordinary, the -o ending that gave us Milo, Theo and Arlo, the two even beats that a parent can call across a yard without raising their voice.
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
Gunnar
GUN-ar
Stress on the first syllable. In Norwegian and Swedish the first vowel is closer to 'goo' and the double n is held longer: GOON-nar.
- Gunn — The usual clipped form; also stands alone as a given name in Norway, where it is used for women.
- Gunny — Informal, family-level; also long-standing US military slang for a gunnery sergeant.
- Gunni — Informal short form used in Iceland and Denmark.
Kyro
KY-roh
Two syllables, stress on the first, rhyming with the second half of Cairo as most Americans say it. A minority read the K-spelling the Greek way, KEER-oh, so expect to correct that occasionally.
- Ky — The one short form in real use; also stands on its own as a given name in the US.
- Ky-Ky — Family-only doubling, generally used with small children and dropped later.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Gunnar if you want…
- a name past its most crowded yearsGunnar is stepping back from its peak
Choose Kyro if you want…
- a name on the way upup 235 places on the charts in five years
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
Gunnar
Strengths
- Spelled and said the same way in Norwegian, Swedish, Danish and Icelandic — it crosses those borders without adjustment.
- Two syllables, phonetic spelling, one obvious stress pattern; almost no one will need it repeated.
- A documented record going back to Old Norse and the thirteenth-century Icelandic sagas, with no gap where it fell out of use.
To consider
- Gunner — the occupational word and a separate American name — sounds nearly identical, so expect that spelling to come back at you on forms, mail and rosters for life.
- The first syllable reads as 'gun' in English, and the meaning is frankly martial. Some families like that plainly; others find the firearm echo, and the nickname Gunny, more than they want.
- Outside families with Nordic ties, people may not immediately recognize it as an old name rather than a modern coinage — which is easy to correct, and the correction is a good story.
Kyro
Strengths
- Short and phonetic — two syllables that most people can say correctly on first hearing, and spell on second.
- Already brief, so it needs no nickname, though Ky is there if a shorter form is ever wanted.
- Rare enough that a child will very likely be the only Kyro in the school, while still sounding like names people know.
To consider
- Expect spelling checks for life: Kiro, Cairo, Kairo, Kyrus and Kyros are all live options in American use, and none of them is obviously wrong to a stranger taking a message.
- Kylo, from the Star Wars films, is one letter away and far better known. Some people will hear that first, and a few will say it.
- There is no settled meaning to offer when the question comes up, and it will come up. Some parents like having a clear answer; if you do, this is the name's weak point.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
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 Gunnar and Kyro 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 Gunnar and Kyro?
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 Gunnar and Kyro — the same style, ranked by the same records.
Gunnar or Kyro — the short answers
- Which is more popular, Gunnar or Kyro?
- Kyro, in 2025: Kyro ranked #611 with 463 babies; Gunnar ranked #612 with 462 babies.
- Which name is rising faster, Gunnar or Kyro?
- Kyro. Over the last five years Gunnar moved down 86 places; Kyro moved up 235 places.
- Which is the older name, Gunnar or Kyro?
- Gunnar entered the US charts in 1893; Kyro entered the US charts in 2002. On the American record, Gunnar is the older name.
- How many people are named Gunnar and Kyro?
- About 17,500 people named Gunnar are estimated to be alive in the US today. About 3,000 people named Kyro are estimated to be alive in the US today.
- Will there be other Gunnars or Kyros in the classroom?
- Gunnar will almost certainly be the only one in school. Kyro 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 Gunnar, Kyro and the rest of your shortlist with your last name in one printable report.
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