Head to head · Girls' names
Adalyn vs Mariana
#260 vs #260 in 2025
Adalyn and Mariana share the same spot on the 2025 charts (#260). The records cannot split them; sound and story 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
On the charts, Mariana leads 3 measures of 6; Adalyn leads 1.
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: Adalyn —, Mariana #1278 — Mariana higher
- 1890s: Adalyn —, Mariana #1406 — Mariana higher
- 1900s: Adalyn #1862, Mariana #1366 — Mariana higher
- 1910s: Adalyn #3255, Mariana #1272 — Mariana higher
- 1920s: Adalyn #4112, Mariana #1224 — Mariana higher
- 1930s: Adalyn #4286, Mariana #1319 — Mariana higher
- 1940s: Adalyn —, Mariana #1554 — Mariana higher
- 1950s: Adalyn —, Mariana #1872 — Mariana higher
- 1960s: Adalyn —, Mariana #1645 — Mariana higher
- 1970s: Adalyn —, Mariana #1172 — Mariana higher
- 1980s: Adalyn #9244, Mariana #766 — Mariana higher
- 1990s: Adalyn #8485, Mariana #439 — Mariana higher
- 2000s: Adalyn #1984, Mariana #222 — Mariana higher
- 2010s: Adalyn #171, Mariana #299 — Adalyn higher
- 2020s: Adalyn #190, Mariana #252 — Adalyn higher
Mariana stood higher in 13 of 15 decades; Adalyn has held the lead since the 2010s.
Rank by decade
| Decade | Adalyn | Mariana |
|---|---|---|
| 1880s | — | #1278 |
| 1890s | — | #1406 |
| 1900s | #1862 | #1366 |
| 1910s | #3255 | #1272 |
| 1920s | #4112 | #1224 |
| 1930s | #4286 | #1319 |
| 1940s | — | #1554 |
| 1950s | — | #1872 |
| 1960s | — | #1645 |
| 1970s | — | #1172 |
| 1980s | #9244 | #766 |
| 1990s | #8485 | #439 |
| 2000s | #1984 | #222 |
| 2010s | #171 | #299 |
| 2020s | #190 | #252 |
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
Adalyn
Noble
The root is the Germanic element adal, "noble," which produced Adela and Adèle; Adeline is the French diminutive of those, and Adalyn is a modern English respelling of Adeline. The -lyn ending is a spelling choice, not a separate meaning.
Adal (Germanic element) → Adela → Adèle → Adeline → Adalyn
How it traveled
The element adal ran through Frankish and Germanic names for centuries, standing for noble birth, and gave rise to Adala and Adela among the aristocracy of early medieval Europe. French speakers shortened Adela to Adèle and built the affectionate diminutive Adeline from it; the Normans carried that form into England, where it kept a quiet, steady presence.
Mariana
From Latin Marianus, 'of Marius'; also read as a blend of Maria and Ana
The older line is clear: Mariana is the feminine of the Roman name Marianus, formed from the family name Marius — whose own root is not established, though it has long been linked to the god Mars. Alongside that, in Spanish and Portuguese the name has been understood for centuries as Maria and Ana joined together, and both readings are genuinely in use.
Marius → Marianus → Mariana
How it traveled
The name begins as Latin, the feminine of Marianus, a name built from the Roman family name Marius. It took deep root in Spain and Portugal, where it was also heard as Maria and Ana combined, and traveled with those languages across the Atlantic — Mariana de Jesús de Paredes, the seventeenth-century Quito ascetic later canonized, is among its best-known bearers.
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
Adalyn
AD-uh-lin
Stress on the first syllable. The final syllable is usually said lightly, like "lin"; some families give it a fuller "lyn" to match the spelling, and both are accepted.
- Addie — The default short form across the whole Ade-/Ada- family; also given on its own to some children.
- Ada — A complete given name in its own right, with a long independent record, used informally here.
- Addy — Same nickname, alternate spelling; common in writing among younger families.
- Lyn — Drawn from the ending rather than the beginning; less common, and also a standalone name.
Mariana
mah-ree-AH-nah
That is the Spanish and Portuguese pronunciation, and the usual one in the US. English speakers also say mar-ee-AN-uh, with a flat middle vowel, which is how Tennyson's poem is read. Both are correct; it helps to offer one when introducing her.
- Mari — The most common short form in Spanish-speaking families; also stands alone as a given name.
- Nana — An affectionate household form taken from the second half of the name, informal only.
- Ana — Used where the name is heard as Maria plus Ana; a fully established given name in its own right.
- Marianita — Spanish diminutive, warm and family-level rather than formal.
- Also Mia.
Is it right for you
The differences that decide it, laid out by what you want
Choose by what you want
Choose Adalyn if you want…
- a name past its most crowded yearsAdalyn is stepping back from its peak
- a name with fewer syllablesAdalyn is 3 syllables to Mariana's 4
Choose Mariana if you want…
- a name on the way upup 12 places on the charts in five years
- a name with more sound in itMariana runs 4 syllables, Adalyn 3
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
Adalyn
Strengths
- Comes with ready-made short forms — Addie and Ada — that have been in use for generations and need no explaining.
- Belongs to a well-known name family (Adeline, Adela, Adelaide), so the root and its meaning are easy to trace and easy to tell.
- The meaning is settled and simple: "noble," from a Germanic element documented across a thousand years of European naming.
To consider
- The spelling is the real work. Adalyn, Adalynn, Adelyn, Addilyn and Adeline all circulate at once, so she will spend a lifetime saying which one — a small, constant tax rather than a problem.
- The wave is very recent, so bearers skew strongly young. That will read as contemporary now, and will date the name in the way any cohort name does.
- She is unlikely to share her exact spelling with a classmate, but the -lyn ending is everywhere in her generation; expect Evelyns, Madelyns and Brooklyns nearby.
Mariana
Strengths
- Spelled the same way in Spanish, Portuguese and Romanian, so it crosses languages and borders without adjustment.
- Instantly readable to English speakers even when they haven't met it — the letters do exactly what they look like.
- Several long-established short forms, from Mari to Ana, so she can choose how formal to be.
To consider
- Two pronunciations circulate, the Spanish mah-ree-AH-nah and the anglicized mar-ee-AN-uh. Neither is wrong, but she may spend her life gently correcting whichever one she doesn't use.
- It sits close to Marianna, Marianne, Maryana and Mariah, and people who hear it will sometimes write one of those instead. The spelling itself is simple; the neighbors are the problem.
- The Mariana Trench and the Mariana Islands share the name, so it turns up in geography lessons — a mild, mostly harmless association, and one that at least makes it memorable.
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 Adalyn and Mariana in full.
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Decide together
Nobody names a baby alone
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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
- Names ending in -lyn
- The steadiest names in America
- Four-syllable names that carry
- Spanish and Latin names with warmth
- all guides
Where Adalyn and Mariana each sit in the library — alternatives in the same style, ranked by the same records.
Adalyn or Mariana — the short answers
- Which is more popular, Adalyn or Mariana?
- They tie in 2025: Adalyn ranked #260 with 1,192 babies; Mariana ranked #260 with 1,192 babies.
- Which name is rising faster, Adalyn or Mariana?
- Mariana. Over the last five years Adalyn moved down 119 places; Mariana moved up 12 places.
- Which is the older name, Adalyn or Mariana?
- Adalyn entered the US charts in 1908; Mariana entered the US charts in 1888. On the American record, Mariana is the older name.
- How many people are named Adalyn and Mariana?
- About 30,500 people named Adalyn are estimated to be alive in the US today. About 44,000 people named Mariana are estimated to be alive in the US today.
- Will there be other Adalyns or Marianas in the classroom?
- Adalyn will almost certainly be the only one in school. Mariana 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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