Harmonii
Feminine · “a fitting together”
Harmonii is Harmony respelled, and harmony is a joining. The Greek word comes from a term for a joint or a fitting — the place where two pieces are made to sit together — and it named carpentry before it named music.
How old is the name Harmonii?
Harmonii first appears in US birth records in 2005 — 20 years ago. The typical Harmonii is a kid of about 6 — this name's wave is very recent. About 700 people named Harmonii are estimated to be alive in the US today.
When was the name Harmonii most popular?
Harmonii peaked in 2024, reaching #2661 nationally. Today it ranks #2778, 117 places below that high. See the whole 2024 chart.
Lists built from the same records:
Where it comes from
From harmos to Harmonii
The story of Harmonii
The word came into English through Latin and French with its musical sense already dominant, and English kept both — the technical sense in music and the general one of agreement between people. As a given name Harmony is recent and American, and it belongs to a group taken from music: Melody, Cadence, Lyric, Aria, Harmony. The -ii ending is newer still and part of a wider habit of doubling final letters to mark a name as a name rather than a word — Harmonii, Legacii, Serenitii.
Meaning
a fitting together; concord
Greek harmonia comes from harmos, a joint or a fastening, from a root meaning to fit. Its earliest sense is a joining of parts, and it was applied to music because a chord is parts fitted together. Harmonia is also a figure in Greek myth, the daughter of Ares and Aphrodite and the wife of Cadmus. The double i is a modern American respelling and adds nothing to the meaning.
How the name formed
- harmos
- harmonia
- harmony
- Harmonii
Related forms: Harmony · Harmonia · Harmonie
Pronouncing Harmonii
HAR-muh-nee
Three syllables, stress on the first, said exactly like the ordinary word. The doubled i changes the look and not the sound.
Nicknames for Harmonii
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
- 2005
- Most girls named
- 202465 — the highest on record
- Peak rank
- #2661reached in 2024
- Change vs 2024
- −6.2%61 in 2025, from 65
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.
Harmonii in other languages
The same name elsewhere
- Harmony in English — spelling variant
- Harmonia in Greek — related form
- Harmonie in French — related form
Strongest US states over the last decade: Georgia, Florida, Mississippi.
Harmoniis among us
people named Harmonii are estimated to be alive in the US today
About 1 girl in 26,349 born in 2025 was named Harmonii
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Harmonii
- #2778
- Harmonii on the 2025 chart
- #231
- counting every spelling
The SSA counts spellings, not names. Harmonii went to 61 girls in 2025, but Harmony and Harmoni are the same name said out loud. Together the 3 spellings went to 1,436, which makes it the 231st most-given girls’ name of the year — 2,547 places above the chart.
About 1 girl in 1,119 born in 2025 was given one of these spellings — against 1 in 26,349 for Harmonii 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 Deneisha test
Every popular name lives one long story — a climb, a peak, a slow settling back. Harmonii's later chapters haven't been written yet, so we borrowed them: Deneisha climbed just as high around 1994, and its whole arc is on record. Line the two peaks up, and Deneisha's path sketches the road Harmonii is walking now.
Harmonii 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
Where Harmonii is headed
Harmonii looks set to keep climbing gently, with roughly 16% more babies a year by 2030 if the current curve holds.
Medium confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Harmonii beside its neighbors
The names ranked closest to Harmonii in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Every English speaker already knows the word, so the name is never mispronounced.
- A clean Greek etymology with a concrete first meaning — a joint, a fitting.
- Sits in an established group of music names, so it never sounds isolated.
- Harmony is overwhelmingly the standard spelling and this one will be corrected in writing for life.
- The obvious trimming is Harm, which is an English word most families would rather avoid.
- The doubled-i spelling ties it very closely to one moment in American naming.
Nobody names a baby alone.
Put Harmonii to the vote.
Add it to a family vote or a couple’s swipe deck — the other person gets one card, a simple answer and room to say why. No app, no account for them.
Only the people you invite can see your list.
Already decided on Harmonii? Hide it among decoys and let them guess.
What they receive
Someone added a name to your list
Harmonii
Feminine · #2778 in the U.S.
Frequently asked
- How many Harmoniis are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 700 people named Harmonii are estimated to be alive in the US today.
- How do you spell Harmonii?
- Harmonii is one of 3 recorded spellings. Harmony is the more common one — 1,123 births in 2025 against 61 for Harmonii.
- How popular is the name Harmonii in 2025?
- Harmonii ranks #2778 among US girl names in 2025, with 61 babies given the name.
- How rare is the name Harmonii?
- About 1 in every 26,349 US girls born in 2025 was named Harmonii — 61 in all.
- Will my child share the name Harmonii with classmates?
- Harmonii will almost certainly be the only one in school.
Ranked beside Harmonii
Names sitting at a similar level of popularity right now.
Eugenia#2778 · Amour#2778 · Wynona#2778 · Joie#2778 · Bennie#2778 · Havyn#2778 · Wisdom#2778 · Aela#2778
Looking for what else is popular rather than what resembles Harmonii? See the current top 100.
Choosing between Harmonii and another name?
See them side by side — full stats, history and a gentle verdict.
Compare side by sideIn a hurry? Just pick a winner — one tap, no sign-up, and you see how everyone else voted.
Weighing a whole shortlist? Add the rest in the builder, or settle it with a bracket.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
US figures from the Social Security Administration. 1880–2025. Data & methodology
No advertising trackers and no data sellinghow we handle your dataindependent and founder-run, about Name Battle