Head to head · Boys' names
Kaysen vs Rylan
#415 vs #416 in 2025
Kaysen is a whisker ahead (#415 vs #416 in 2025), but the curves point different ways: Kaysen is climbing the charts fast, Rylan 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: Kaysen and Rylan 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
- 1960s: Kaysen —, Rylan #3673 — Rylan higher
- 1970s: Kaysen —, Rylan #2974 — Rylan higher
- 1980s: Kaysen —, Rylan #1624 — Rylan higher
- 1990s: Kaysen #7505, Rylan #1084 — Rylan higher
- 2000s: Kaysen #4026, Rylan #355 — Rylan higher
- 2010s: Kaysen #873, Rylan #233 — Rylan higher
- 2020s: Kaysen #544, Rylan #367 — Rylan higher
Rylan stood higher in every recorded decade — 7 of 7.
Rank by decade
| Decade | Kaysen | Rylan |
|---|---|---|
| 1960s | — | #3673 |
| 1970s | — | #2974 |
| 1980s | — | #1624 |
| 1990s | #7505 | #1084 |
| 2000s | #4026 | #355 |
| 2010s | #873 | #233 |
| 2020s | #544 | #367 |
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
Kaysen
Not established
No etymology has been established for Kaysen. What is documented is the company it keeps: it appears in American records alongside Kayden, Kason, Cason and Kayson, and it ends in the -sen/-son element that in older surnames meant "son of". Whether any particular parent had that in mind, or simply liked the sound, is not something the record preserves.
Our story of Kaysen — where the record runs out
Think of the two halves of this name arriving from different directions. The -sen ending has been traveling for centuries in surnames — Hansen, Jansen, Jackson — where it once marked a line of descent.
Rylan
'rye land' — land where rye is grown — if read through the surname Ryland
Two readings compete. Ryland is a documented English surname from a place name built on Old English words for rye and land, and Rylan is the most natural clipping of it. But Rylan also fits the American pattern of building new names from familiar pieces — the Ry- of Ryan and Riley with the -lan ending of Dylan and Nolan — and many families arrive at it that way with no surname in mind. Both roads lead to the same spelling.
Old English ryge + land (rye field) → Ryland (English place name, then surname) → Rylan
How it traveled
The older thread is English: Ryland began as a place name and then a surname, from the ordinary business of naming a farm for the crop growing on it. Surnames of that kind crossed to America and, over the nineteenth and twentieth centuries, were steadily promoted into first names — a habit that gave English speakers Ryder, Riley, Carter and dozens more.
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
Kaysen
KAY-sen
Two syllables, stress on the first. The ending is the same sound as in Hansen or Jansen. Kayson, Kason and Cason are all said the same way.
- Kay — The most natural short form; also stands alone as a given name in English, more often for girls.
- Kays — Informal clipping, used much as Jacks is used for Jackson.
- KJ — Initials-style nickname where the middle name allows it; common practice among American boys.
Rylan
RY-lan
First syllable rhymes with 'eye', stress on it. The second syllable is unstressed and comes out somewhere between '-lan' and '-lun' depending on the speaker; no one will correct you either way.
- Ry — The standard short form, informal, used at home and among friends; occasionally given on its own but rarely.
- Ry-Ry — A doubled nursery form, used by family with small children and usually dropped by school age.
- Rye — Less common, chosen by families who like the word behind the surname.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Kaysen if you want…
- a name on the way upup 147 places on the charts in five years
Choose Rylan if you want…
- a name past its most crowded yearsRylan is stepping back from its peak
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
Kaysen
Strengths
- Reads correctly on first sight for English speakers — no pronunciation guessing, no correcting teachers.
- Two short syllables, easy for a small child to say and to write.
- Sits inside a familiar sound family with Mason, Jackson and Kayden, so it is never strange to an American ear.
To consider
- The spelling has close rivals — Kayson, Kason, Cason, Casen — all pronounced identically. Expect to spell it aloud fairly often, and expect the occasional form to come back with a C.
- Its entire record belongs to one recent stretch of time, so the name will read clearly as belonging to this generation. That can be a pleasure or a limitation, depending on how you feel about a name that dates its bearer.
- Because the name is young, it has no long-settled nickname the way Charles has Charlie. Whatever the family lands on is likely to be the family's own invention.
Rylan
Strengths
- Spelled the way it sounds — most people write it correctly after hearing it once, and read it correctly after seeing it once.
- Has a real, ready-made short form in Ry, which needs no explanation to anyone.
- Sits beside Ryan, Riley and Dylan, so it is unfamiliar as a whole while every part of it is already known.
To consider
- It lives in a crowded sound-space. Expect to be heard as Ryan or Riley over the phone, and expect Ryland, Rylen and Rylin to be offered as spellings until you correct them.
- Most Rylans are boys, though a real minority are girls. A girl named Rylan will meet forms and teachers that guess wrong, which is manageable but worth knowing in advance.
- This is a young name with no long tail behind it — it has not yet had time to sound like anyone's grandparent, and it is closely tied to the decades it rose in. That reads as fresh now and may read as datable later.
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 Kaysen and Rylan 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 Kaysen and Rylan?
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 these names appear on
Where Kaysen and Rylan each sit in the library — alternatives in the same style, ranked by the same records.
Kaysen or Rylan — the short answers
- Which is more popular, Kaysen or Rylan?
- Kaysen, in 2025: Kaysen ranked #415 with 772 babies; Rylan ranked #416 with 771 babies.
- Which name is rising faster, Kaysen or Rylan?
- Kaysen. Over the last five years Kaysen moved up 147 places; Rylan moved down 89 places.
- Which is the older name, Kaysen or Rylan?
- Kaysen entered the US charts in 1998; Rylan entered the US charts in 1968. On the American record, Rylan is the older name.
- How many people are named Kaysen and Rylan?
- About 6,600 people named Kaysen are estimated to be alive in the US today. About 34,000 people named Rylan are estimated to be alive in the US today.
- Will there be other Kaysens or Rylans in the classroom?
- Kaysen will almost certainly be the only one in school. Rylan 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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