Leonie
Girl name · #2278 in 2025 · Very rare
How old is the name Leonie? In official American birth records, Leonie has been tracked continuously since 1880, giving it 145 years of documented American history.
Leonie ranks #2278 among American girls' names as of 2025, with 80 newborns given the name that year. A decade ago it stood at #3767, so the name has been rising over the past ten years. Roughly one in every 22,500 girls born in 2025 was named Leonie.
The 145-year story
Leonie first appears in the Social Security records in 1880, when 10 girls received the name. Its all-time peak is essentially right now: 2025, with 80 babies and a rank of #2276. 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.
Babies named Leonie per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Leonie against up to 5 other names.
Uniqueness: will there be another Leonie in class?
On our rarity read — which blends how common Leonie is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Leonie will likely be the only one in the room, with the occasional spelling-out as the price.
Where Leonie is most common
State-level data for Leonie 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 Leonie
Statistically, parents drawn to Leonie tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Laynie, Elanie, Alanie, Journie, and Kaylanie.
LaynieElanieAlanieJournieKaylanieWynnieLivieMayzie
Rank history (last 25 years)
| Year | Babies named Leonie | Rank |
|---|---|---|
| 2025 | 80 | #2276 |
| 2024 | 74 | #2434 |
| 2023 | 53 | #3091 |
| 2022 | 55 | #2995 |
| 2021 | 55 | #3002 |
| 2020 | 64 | #2631 |
| 2019 | 63 | #2709 |
| 2018 | 59 | #2841 |
| 2017 | 57 | #2903 |
| 2016 | 64 | #2697 |
| 2015 | 40 | #3767 |
| 2014 | 29 | #4768 |
| 2013 | 30 | #4645 |
| 2012 | 40 | #3854 |
| 2011 | 32 | #4466 |
| 2010 | 22 | #5977 |
| 2009 | 21 | #6317 |
| 2008 | 22 | #6130 |
| 2007 | 18 | #7092 |
| 2006 | 18 | #6840 |
| 2005 | 14 | #7891 |
| 2004 | 18 | #6489 |
| 2003 | 13 | #7998 |
| 2002 | 13 | #7816 |
| 2001 | 15 | #6956 |
Frequently asked questions
How old is the name Leonie?
In official American birth records, the name Leonie first appeared in 1880 (over 145 years ago), when 10 newborn girls received the name. It has over a century of continuous American history.
Is Leonie a popular girl name?
Leonie ranked #2278 among girls in 2025 with 80 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3767.
When was the name Leonie most popular?
Leonie peaked in 2025, when 80 American girls received the name (ranked #2276 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Leonie?
In 2025, roughly 1 in 22,500 newborn American girls was named Leonie. 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.