Head to head · Boys' names
Adan vs Asa
#482 vs #483 in 2025 · both holding its place on the charts
Adan is a whisker ahead (#482 vs #483 in 2025) and both are holding its place on the charts. The records will not split these two — sound, story and your own last name will.
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: Adan and Asa 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: Adan —, Asa #224 — Asa higher
- 1890s: Adan —, Asa #280 — Asa higher
- 1900s: Adan #1205, Asa #464 — Asa higher
- 1910s: Adan #2057, Asa #583 — Asa higher
- 1920s: Adan #1319, Asa #638 — Asa higher
- 1930s: Adan #1038, Asa #772 — Asa higher
- 1940s: Adan #939, Asa #922 — Asa higher
- 1950s: Adan #989, Asa #1133 — Adan higher
- 1960s: Adan #847, Asa #1205 — Adan higher
- 1970s: Adan #689, Asa #1040 — Adan higher
- 1980s: Adan #550, Asa #769 — Adan higher
- 1990s: Adan #518, Asa #797 — Adan higher
- 2000s: Adan #361, Asa #637 — Adan higher
- 2010s: Adan #386, Asa #531 — Adan higher
- 2020s: Adan #470, Asa #486 — Adan higher
Adan stood higher in 8 of 15 decades; Adan has held the lead since the 1950s.
Rank by decade
| Decade | Adan | Asa |
|---|---|---|
| 1880s | — | #224 |
| 1890s | — | #280 |
| 1900s | #1205 | #464 |
| 1910s | #2057 | #583 |
| 1920s | #1319 | #638 |
| 1930s | #1038 | #772 |
| 1940s | #939 | #922 |
| 1950s | #989 | #1133 |
| 1960s | #847 | #1205 |
| 1970s | #689 | #1040 |
| 1980s | #550 | #769 |
| 1990s | #518 | #797 |
| 2000s | #361 | #637 |
| 2010s | #386 | #531 |
| 2020s | #470 | #486 |
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
Adan
man, human — from Hebrew, tied to the word for earth or ground
The Hebrew adam means "man, human being" and plays on adamah, "ground, soil" — the wordplay is right there in the opening chapters of Genesis.
Adam (Hebrew) → Adam (Greek and Latin) → Adán (Spanish) → Adan
How it traveled
The name begins as Hebrew Adam, the first human in Genesis, whose name echoes adamah, the ground. It traveled through Greek and Latin translations of the Bible into every Christian language of Europe, and through the Quran, where Adam is the first prophet, into the Muslim world.
Asa
healer, physician
The Hebrew name is read from a root meaning to heal. Worth knowing: several identical-looking names elsewhere have nothing to do with this one — Japanese Asa is written with characters for morning or hemp, and Scandinavian Åsa comes from Old Norse. Same three letters, separate roads.
Hebrew אָסָא (Asa) → Greek Ἀσά → Latin Asa → English Asa
How it traveled
The name begins in Hebrew, borne in the Bible by a king of Judah, and it passed into Greek and Latin scripture without being reshaped — a rare thing for a biblical name, most of which came out the other end sounding different. The Protestant Reformation put Old Testament names back into English mouths, and Asa was among those the Puritans favored; it traveled with them to colonial New England and settled into the naming stock of American families, particularly in the nineteenth century.
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
Adan
ah-DAHN
That is the Spanish stress, on the second syllable. In English-speaking settings many Adans answer to AY-dan, which sits close to the familiar Aiden. Both are in real use, so it is worth deciding early which one your family will say.
- Adancito — Spanish affectionate diminutive, used within families rather than in formal settings
- Dan — Informal English clipping; also stands alone as a given name in its own right
Asa
AY-suh
Two syllables. AY-suh is the settled English pronunciation for the biblical name. AH-suh is what you will hear for the unrelated Japanese and Scandinavian names spelled the same way, so an occasional correction comes with the territory.
- Ace — Informal, playground-level; also used on its own as a given name in the US.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Adan if you want…
- a name holding steadyAdan is holding its place on the charts
- a newer arrivalAdan entered the US charts in 1904
Choose Asa if you want…
- a name on the way upup 23 places on the charts in five years
- a long American recordAsa was already in use when US records began in 1880
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
Adan
Strengths
- Short, four letters, no silent letters — easy to write down the first time it is heard.
- Works in both Spanish and English without translation or adjustment, which matters in bilingual families.
- Belongs to one of the longest documented name lines in existence, shared by Jewish, Christian and Muslim tradition.
To consider
- Two pronunciations circulate — ah-DAHN and AY-dan — so a mild correction may become a lifelong habit. Some families choose the accented Adán on the birth certificate to steer it.
- The accent itself is a decision. Adán is the standard Spanish spelling, but American forms, databases and airline tickets tend to strip diacritics anyway.
- Aiden, Aidan and Ayden are all widely known, so expect the occasional misspelling in that direction from people who have only heard the name spoken.
Asa
Strengths
- Two syllables, four sounds, and no silent letters — once heard, it is almost always spelled right first time.
- A documented line running from Hebrew scripture through Greek and Latin into English without the name changing shape.
- Long American use rather than a fashion spike, so it sits comfortably on a child, an adult and an old man alike.
To consider
- Two live pronunciations exist — AY-suh in English, AH-suh in Japanese and Scandinavian names of the same spelling. Most people will guess the English one, but not all of them.
- Three letters make for a short target: expect it to be read as Asia or Ada now and then, and to get lost in autocorrect and search boxes.
- Elsewhere in the world the same spelling reads as a girl's name, which matters mainly for international forms, travel and email from abroad.
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 Adan and Asa 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 Adan and Asa?
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
- Three-letter names: tiny and complete
- Palindrome names: the same in the mirror
- Victorian names ready for a second century
- all guides
Where Adan and Asa each sit in the library — alternatives in the same style, ranked by the same records.
Adan or Asa — the short answers
- Which is more popular, Adan or Asa?
- Adan, in 2025: Adan ranked #482 with 625 babies; Asa ranked #483 with 622 babies.
- Which name is rising faster, Adan or Asa?
- Asa. Over the last five years Adan moved down 9 places; Asa moved up 23 places.
- Which is the older name, Adan or Asa?
- Adan entered the US charts in 1904; Asa was already in use when US records began in 1880. On the American record, Asa is the older name.
- How many people are named Adan and Asa?
- About 29,500 people named Adan are estimated to be alive in the US today. About 17,000 people named Asa are estimated to be alive in the US today.
- Will there be other Adans or Asas in the classroom?
- Adan will almost certainly be the only one in school. Asa 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 Adan, Asa and the rest of your shortlist with your last name in one printable report.
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