Head to head · Boys' names
Grant vs Kairo
#228 vs #226 in 2025
Kairo is a whisker ahead (#226 vs #228 in 2025), but the curves point different ways: Kairo is climbing the charts fast, Grant 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: Grant and Kairo 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: Grant #247, Kairo — — Grant higher
- 1890s: Grant #220, Kairo — — Grant higher
- 1900s: Grant #247, Kairo — — Grant higher
- 1910s: Grant #271, Kairo — — Grant higher
- 1920s: Grant #297, Kairo — — Grant higher
- 1930s: Grant #329, Kairo — — Grant higher
- 1940s: Grant #314, Kairo — — Grant higher
- 1950s: Grant #303, Kairo — — Grant higher
- 1960s: Grant #294, Kairo — — Grant higher
- 1970s: Grant #278, Kairo — — Grant higher
- 1980s: Grant #186, Kairo — — Grant higher
- 1990s: Grant #144, Kairo #6083 — Grant higher
- 2000s: Grant #142, Kairo #4627 — Grant higher
- 2010s: Grant #170, Kairo #1811 — Grant higher
- 2020s: Grant #224, Kairo #249 — Grant higher
Grant stood higher in every recorded decade — 15 of 15.
Rank by decade
| Decade | Grant | Kairo |
|---|---|---|
| 1880s | #247 | — |
| 1890s | #220 | — |
| 1900s | #247 | — |
| 1910s | #271 | — |
| 1920s | #297 | — |
| 1930s | #329 | — |
| 1940s | #314 | — |
| 1950s | #303 | — |
| 1960s | #294 | — |
| 1970s | #278 | — |
| 1980s | #186 | — |
| 1990s | #144 | #6083 |
| 2000s | #142 | #4627 |
| 2010s | #170 | #1811 |
| 2020s | #224 | #249 |
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
Grant
tall, large
From Anglo-Norman French graunt (Old French grand), used as a byname for a big or tall man — the same root behind the modern French word grand.
grand (Old French) → le Graunt (Anglo-Norman byname) → Grant / Grannd (Scottish surname) → Grant (given name)
How it traveled
The name starts as a description: medieval clerks in England and Scotland recorded men as le Graunt, from the Anglo-Norman French word for tall or large, and the byname hardened into a hereditary surname. In the Scottish Highlands it became Grant — Grannd in Gaelic — the name of a clan long established in Strathspey, which carried it into the emigration waves that reached North America.
Kairo
From Cairo — Arabic al-Qāhira, "the vanquisher"
The most direct route is the Egyptian capital: al-Qāhira, "the vanquisher" or "the victorious", a name given to the city in the tenth century. Some parents instead have in mind the Greek kairos, the word for the right or opportune moment, which the spelling with K resembles closely. Both readings are in genuine use, and neither cancels the other.
al-Qāhira → Cairo → Kairo
How it traveled
Cairo was founded in the tenth century by the Fatimid dynasty and named al-Qāhira; the shortened Arabic form traveled into European languages as Cairo. Americans have used it as a place name at home too — there are towns called Cairo in Illinois and Georgia, both pronounced KAY-ro by the people who live there.
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
Grant
GRANT
One syllable, rhyming with plant. No competing pronunciations in English, and no silent letters to explain.
- Granty — Informal and affectionate, mostly from friends and teammates rather than family; more common in British and Australian usage than American.
- G — Casual initial-only nickname among peers; not used in any formal setting.
Kairo
KY-roh
Two syllables, first stressed, rhyming with "gyro" as most Americans say it. A KAY-roh pronunciation also exists, following the American towns named Cairo, so it is worth stating your preference once at introductions.
- Kai — The obvious short form, and a well-established given name in its own right in English, German and Hawaiian use.
- Ky — Informal, family-level; also spelled Ki.
- Ro — Informal, usually from siblings and friends rather than adults.
Who has carried each name
Grant
Grant Wood (b. 1891) — Painted American Gothic
Grant Gustin (b. 1990) — TV's The Flash
Kairo
No documented entry for Kairo yet.
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 Grant if you want…
- a name holding steadyGrant is holding its place on the charts
- a name with fewer syllablesGrant is 1 syllable to Kairo's 2
- a long American recordGrant was already in use when US records began in 1880
- a name that ages quietlyan estimated 25% chance of feeling dated by 2040, against 50% for Kairo
Choose Kairo if you want…
- a name on the way upup 54 places on the charts in five years
- a name with more sound in itKairo runs 2 syllables, Grant 1
- a newer arrivalKairo entered the US charts in 1995
- a name that feels very nowKairo is climbing the charts fast
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
Grant
Strengths
- One syllable and one spelling: people get it right the first time they hear it, and there is nothing to correct over the phone.
- A documented surname in England and Scotland since the Middle Ages, and a Highland clan name — a long paper trail behind a short word.
- Reads equally well in a first-name or last-name slot, which suits formal use, nicknamed use and everything in between.
To consider
- It resists shortening. A one-syllable name is what he will be called for life, with no built-in cozy version to fall back on — some families like that, others miss having one.
- Grant is also an ordinary English word: grant money, grant applications, granted. Expect the odd pun, and check how it sits with your surname if that word could land awkwardly.
- Because it still reads as a surname to many people, first-and-last combinations can sound reversible — Grant Cameron, Cameron Grant. Saying the full name aloud a few times settles the question quickly.
Kairo
Strengths
- Comes with Kai already built in — a short form that stands on its own as a full given name in several languages.
- Simple vowels and no silent letters; readable at first sight to English, Spanish and Japanese speakers alike.
- Ties to a city whose name is recognized worldwide, so the word is familiar even where the given name is not.
To consider
- The C spelling, Cairo, is the one most people know from maps, so expect to correct it in writing fairly often — and to be asked whether it is Kairo or Cairo each time.
- Pronunciation is not fully settled between KY-roh and KAY-roh. Neither is wrong, but you will be the one establishing which it is.
- The K-for-C respelling places the name firmly in a very recent wave, and almost everyone carrying it now is small. That means little company in a classroom, and no older namesakes to point to yet.
Documented properties of each name — how it spells, travels and shortens — not opinions about the child.
How each is likely to age
Grant
25%chance Grant feels dated by 2040
Grant peaked long ago yet still holds steady — names that survive their own wave usually settle into quiet, durable classics.
Kairo
50%chance Kairo feels dated by 2040
Kairo 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 Grant and Kairo 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 Grant and Kairo?
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.
Free to start · no account needed · everyone you invite votes in one tap
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
- One-syllable names: said in a single beat
- Names with only one spelling
- Presidential surnames as first names
- Preppy names with a monogrammed feel
- all guides
Where Grant and Kairo each sit in the library — alternatives in the same style, ranked by the same records.
Grant or Kairo — the short answers
- Which is more popular, Grant or Kairo?
- Kairo, in 2025: Kairo ranked #226 with 1,577 babies; Grant ranked #228 with 1,555 babies.
- Which name is rising faster, Grant or Kairo?
- Kairo. Over the last five years Grant moved down 15 places; Kairo moved up 54 places.
- Which is the older name, Grant or Kairo?
- Grant was already in use when US records began in 1880; Kairo entered the US charts in 1995. On the American record, Grant is the older name.
- How many people are named Grant and Kairo?
- About 119,000 people named Grant are estimated to be alive in the US today. About 11,000 people named Kairo are estimated to be alive in the US today.
- Will there be other Grants or Kairos in the classroom?
- Grant will almost certainly be the only one in school. Kairo 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 Grant, Kairo and the rest of your shortlist with your last name in one printable report.
Free to start · no account needed · everyone you invite votes in one tap