Jasen
Masculine · “Healer”
Jason arrived in American nurseries in the 1970s on a scale the Greek hero never managed, and Jasen is the spelling that rode alongside it — the same name with the second vowel swapped, peaking within a year or two of the original. The sound is untouched; only the eye can tell them apart.
How old is the name Jasen?
Jasen first appears in US birth records in 1954 — 71 years ago. The typical Jasen alive today was born around 1983, making them about 42 years old. About 4,400 people named Jasen are estimated to be alive in the US today.
When was the name Jasen most popular?
Jasen peaked in 1973, reaching #562 nationally. Today it ranks #5208, 4,646 places below that high. See the whole 1973 chart.
Lists built from the same records:
Where it comes from
From Iasōn to Jasen
The story of Jasen
Iasōn led the Argonauts after the Golden Fleece, and the New Testament gives the name to a host in Thessalonica who sheltered Paul, which is how a pagan Greek name survived into Christian use. English took it up quietly after the Reformation and it stayed rare until the middle of the twentieth century, when Jason climbed into the American top ten within a single generation. Jasen appears in the records in the same wave, one of a cluster of respellings — Jayson, Jaysen, Jasen — that families reached for once the plain form had become common.
Meaning
Healer
The underlying Greek name Iasōn is built on iasthai, to heal, and the connection to the healing goddess Iaso is old and generally accepted. The -sen spelling carries no separate meaning: it is an American respelling of Jason made in the twentieth century, and every dictionary entry it has belongs to the Greek name.
How the name formed
- Iasōn
- Iason
- Jason
- Jasen
Related forms: Iasōn · Jasón · Giasone · Ясон
Pronouncing Jasen
JAY-sun
Two syllables, identical to Jason. The -sen ending is not pronounced any differently from -son.
Nicknames for Jasen
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1954
- Most boys named
- 1979204 — the highest on record
- Peak rank
- #562reached in 1973
- Change vs 2024
- +12.5%18 in 2025, from 16
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Jasen in other languages
The same name elsewhere
- Iasōn in Greek — same name
- Jasón in Spanish — spelling variant
- Giasone in Italian — related form
- Ясон in Russian — transliteration
Strongest US states over the last decade: Texas, California, Florida.
Jasens among us
people named Jasen are estimated to be alive in the US today
About 1 boy in 94,893 born in 2025 was named Jasen
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Jasen
- #5208
- Jasen on the 2025 chart
- #880
- counting every spelling
The SSA counts spellings, not names. Jasen went to 18 boys in 2025, but Jacen is the same name said out loud. Together the 2 spellings went to 48, which makes it the 880th most-given boys’ name of the year — 4,328 places above the chart.
- Jacen30
- Jasen18
About 1 boy in 35,585 born in 2025 was given one of these spellings — against 1 in 94,893 for Jasen itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Carlyle test
Every popular name lives one long story — a climb, a peak, a slow settling back. Jasen's later chapters haven't been written yet, so we borrowed them: Carlyle climbed just as high around 1918, and its whole arc is on record. Line the two peaks up, and Carlyle's path sketches the road Jasen is walking now.
Jasen 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.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Jasen beside its neighbors
The names ranked closest to Jasen in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- It sounds exactly like Jason, so nobody has to learn a new pronunciation.
- The Greek original is well documented, with a clear meaning and a famous myth behind it.
- Two syllables and five letters make it quick to write and to say.
- It will be spelled Jason by default for a lifetime, on forms, in emails and by teachers.
- The respelling gives no sound of its own, so the difference exists only on paper.
- Jason is strongly dated to the 1970s and 1980s, and Jasen carries the same decade with it.
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Jasen
Masculine · #5208 in the U.S.
Frequently asked
- How many Jasens are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 4,400 people named Jasen are estimated to be alive in the US today.
- How do you spell Jasen?
- Jasen is one of 2 recorded spellings. Jacen is the more common one — 30 births in 2025 against 18 for Jasen.
- How popular is the name Jasen in 2025?
- Jasen ranks #5208 among US boy names in 2025, with 18 babies given the name.
- How rare is the name Jasen?
- About 1 in every 94,893 US boys born in 2025 was named Jasen — 18 in all.
- Will my child share the name Jasen with classmates?
- Jasen will almost certainly be the only one in school.
Ranked beside Jasen
Names sitting at a similar level of popularity right now.
Rodger#5208 · Eusebio#5208 · Boy#5208 · Randal#5208 · Gable#5208 · Jessy#5208 · Kelby#5208 · Jens#5208
Looking for what else is popular rather than what resembles Jasen? See the current top 100.
Choosing between Jasen and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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