Head to head · Boys' names
Ismael vs Kayson
#263 vs #264 in 2025
Ismael is a whisker ahead (#263 vs #264 in 2025), but the curves point different ways: Ismael is climbing the charts fast, Kayson 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
On the charts, Ismael leads 6 measures of 6; Kayson leads 0.
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
- 1900s: Ismael #1130, Kayson — — Ismael higher
- 1910s: Ismael #1975, Kayson — — Ismael higher
- 1920s: Ismael #1208, Kayson — — Ismael higher
- 1930s: Ismael #842, Kayson — — Ismael higher
- 1940s: Ismael #753, Kayson — — Ismael higher
- 1950s: Ismael #567, Kayson — — Ismael higher
- 1960s: Ismael #523, Kayson — — Ismael higher
- 1970s: Ismael #443, Kayson — — Ismael higher
- 1980s: Ismael #413, Kayson #6792 — Ismael higher
- 1990s: Ismael #365, Kayson #5119 — Ismael higher
- 2000s: Ismael #336, Kayson #2068 — Ismael higher
- 2010s: Ismael #383, Kayson #482 — Ismael higher
- 2020s: Ismael #292, Kayson #281 — Kayson higher
Ismael stood higher in 12 of 13 decades; Kayson took the 2020s.
Rank by decade
| Decade | Ismael | Kayson |
|---|---|---|
| 1900s | #1130 | — |
| 1910s | #1975 | — |
| 1920s | #1208 | — |
| 1930s | #842 | — |
| 1940s | #753 | — |
| 1950s | #567 | — |
| 1960s | #523 | — |
| 1970s | #443 | — |
| 1980s | #413 | #6792 |
| 1990s | #365 | #5119 |
| 2000s | #336 | #2068 |
| 2010s | #383 | #482 |
| 2020s | #292 | #281 |
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
Ismael
God hears
From Hebrew Yishmaʿel, combining the verb shamaʿ, "to hear", with El, "God" — often given as "God will hear" or "God hearkens".
Yishmaʿel (Hebrew) → Ismaēl (Greek) → Ismael (Latin) → Ismael (Spanish, Portuguese, French)
How it traveled
The name begins in Hebrew as Yishmaʿel and appears in the book of Genesis as the son of Abraham and Hagar. The Greek translators of the Hebrew Bible rendered it Ismaēl, dropping the sh sound, and Latin passed that form on to Spanish, Portuguese and French as Ismael — while English, translating from Hebrew directly, kept Ishmael.
Kayson
Not established
No etymology has been established for Kayson, because it was assembled in English rather than inherited from an older language. What is documented is its shape: it sits among Kason, Cason, Kaysen and Jayson, and shares the -son ending common to Mason, Carson and Grayson. Jason, which it echoes, comes from Greek Iason — but Kayson is not a documented descendant of it, only a neighbor in sound.
Our story of Kayson — where the record runs out
Some names arrive with a paper trail; this one arrived with a sound. Kayson is made of pieces that were already loved in American English — the bright Kay- that opens Kayden and Kaleb, the -son close that carries Mason, Carson and Jason — and someone put them together and it held.
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
Ismael
ees-mah-EL
That is the Spanish pronunciation, with the stress on the last syllable. English speakers often say IZ-may-el or IZ-mee-el, closer to the Ishmael spelling. Both are heard in the US, and families usually pick one and gently correct the other.
- Isma — The standard informal short form among Spanish speakers, used by family and friends rather than in writing.
- Ish — An English-language clipping, mostly from classmates and teammates.
- Izzy — Used in English-speaking settings; also stands alone as a nickname for Isaac, Isaiah and Isabel.
- Mael — Occasional, taken from the end of the name; Maël exists separately as a French given name.
Kayson
KAY-sun
Rhymes with Mason. Stress on the first syllable; the -ay- spelling makes the long A explicit, so the reading is rarely in doubt.
- Kay — The obvious informal clip; also stands alone as a given name in English, historically for girls, and as the name of Sir Kay in Arthurian romance.
- Kays — Casual, playground-style shortening, mostly used by friends rather than family.
- K — Initial-only nickname, common in American families and often paired with a middle initial as K.J.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Ismael if you want…
- a name on the way upup 87 places on the charts in five years
Choose Kayson if you want…
- a name holding steadyKayson is holding its place on the charts
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
Ismael
Strengths
- Works unchanged in Spanish, Portuguese and French, with close relatives in Arabic, Turkish and Persian — a name that crosses borders without needing a new spelling.
- A documented record stretching from ancient Hebrew scripture to this year's kindergartens, and an unbroken run on US records for more than a century.
- Has a ready-made everyday short form, Isma, already in wide use among Spanish speakers.
To consider
- Three spellings of the same name circulate in the US — Ismael, Ismail and Ishmael — so expect to spell it out often, and to have mail arrive in the wrong version.
- The pronunciation splits along language lines: ees-mah-EL in Spanish, IZ-may-el in English. Worth deciding early which one you will ask teachers and doctors to use, because both are defensible.
- In English, the name carries an echo of Melville's narrator and of the biblical figure sent away from his father's household — a rich association for some readers, a melancholy one for others.
Kayson
Strengths
- Reads correctly on first sight for English speakers — the -ay- spells the long A out, so the pronunciation almost never needs correcting.
- Sits in a pattern Americans already know from Mason, Carson and Jason, so it sounds familiar without being duplicated.
- Rare enough in practice that a child is unlikely to share it with a classmate.
To consider
- The spelling competition is real: Kason, Cason, Kaysen and Jayson all exist, so "K or C? -son or -sen?" will be a lifelong question at the pharmacy counter and on forms.
- There is no documented meaning to offer relatives who ask. If a name's etymology matters to you, this one cannot supply one — its history is a sound, not a word.
- The name's wave is very recent, so it reads clearly as belonging to today's children rather than to any earlier generation.
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 Ismael and Kayson 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 Ismael and Kayson?
Put both to the vote.
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More head-to-heads
Same measures, different pair. Sixty more are dealt daily in the arena.
Lists these names appear on
Where Ismael and Kayson each sit in the library — alternatives in the same style, ranked by the same records.
Ismael or Kayson — the short answers
- Which is more popular, Ismael or Kayson?
- Ismael, in 2025: Ismael ranked #263 with 1,307 babies; Kayson ranked #264 with 1,305 babies.
- Which name is rising faster, Ismael or Kayson?
- Ismael. Over the last five years Ismael moved up 87 places; Kayson moved up 30 places.
- Which is the older name, Ismael or Kayson?
- Ismael entered the US charts in 1903; Kayson entered the US charts in 1982. On the American record, Ismael is the older name.
- How many people are named Ismael and Kayson?
- About 41,000 people named Ismael are estimated to be alive in the US today. About 15,000 people named Kayson are estimated to be alive in the US today.
- Will there be other Ismaels or Kaysons in the classroom?
- Ismael will almost certainly be the only one in school. Kayson 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
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