Harmonii
Girl name · #2817 in 2025 · Very rare
How old is the name Harmonii? In official American birth records, Harmonii has been tracked continuously since 2005, giving it 20 years of documented American history.
Harmonii ranks #2817 among American girls' names as of 2025, with 61 newborns given the name that year. A decade ago it stood at #4584, so the name has been rising over the past ten years. Roughly one in every 29,508 girls born in 2025 was named Harmonii.
Babies named Harmonii per year. Source: Official national birth records.
The 20-year story
Harmonii first appears in the Social Security records in 2005, when 7 girls received the name. Its all-time peak is essentially right now: 2024, with 65 babies and a rank of #2661. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Harmonii against up to 5 other names.
Uniqueness: will there be another Harmonii in class?
On our rarity read — which blends how common Harmonii is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Harmonii will likely be the only one in the room, with the occasional spelling-out as the price.
Where Harmonii is most common
State-level data for Harmonii is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Harmonii
Statistically, parents drawn to Harmonii tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Journii, Alanii, Malanii, Honesti, and Khalessi.
JourniiAlaniiMalaniiHonestiKhalessiHazelynnYetzaliAmarii
Rank history (last 25 years)
| Year | Babies named Harmonii | Rank |
|---|---|---|
| 2025 | 61 | #2778 |
| 2024 | 65 | #2661 |
| 2023 | 54 | #3047 |
| 2022 | 46 | #3416 |
| 2021 | 60 | #2818 |
| 2020 | 44 | #3450 |
| 2019 | 48 | #3272 |
| 2018 | 35 | #4076 |
| 2017 | 41 | #3697 |
| 2016 | 31 | #4531 |
| 2015 | 30 | #4584 |
| 2014 | 27 | #5025 |
| 2013 | 35 | #4156 |
| 2012 | 27 | #5114 |
| 2011 | 17 | #7118 |
| 2010 | 17 | #7217 |
| 2009 | 10 | #10679 |
| 2008 | 6 | #15405 |
| 2007 | 5 | #17636 |
| 2005 | 7 | #13010 |
Frequently asked questions
How old is the name Harmonii?
In official American birth records, the name Harmonii first appeared in 2005 (over 20 years ago), when 7 newborn girls received the name. It has been tracked in modern national records for 20 years.
Is Harmonii a popular girl name?
Harmonii ranked #2817 among girls in 2025 with 61 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4584.
When was the name Harmonii most popular?
Harmonii peaked in 2024, when 65 American girls received the name (ranked #2661 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Harmonii?
In 2025, roughly 1 in 29,508 newborn American girls was named Harmonii. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.