Delta
Girl name · #2329 in 2025 · Uniqueness 81/100
Delta ranks #2329 among American girls' names as of 2025, with 78 newborns given the name that year. A decade ago it stood at #3842, so the name has been rising over the past ten years. Roughly one in every 23,077 girls born in 2025 was named Delta.
The 142-year story
Delta first appears in the Social Security records in 1883, when 7 girls received the name. Its peak came in 2019, when 136 girls were named Delta — good for #1569 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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 Delta per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Delta against up to 5 other names.
Uniqueness: will there be another Delta in class?
Delta scores 81 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Delta will likely be the only one in the room, with the occasional spelling-out as the price.
Where Delta is most common
Geography matters for names, and Delta is no exception. In 2025 the states with the most Deltas were MS (10), FL (8), IN (6), NC (5), TN (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Delta
Statistically, parents drawn to Delta tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Alita, Carlota, Vanya, Amila, and Aiyla.
AlitaCarlotaVanyaAmilaAiylaAdoraTheiaLenna
Rank history (last 25 years)
| Year | Babies named Delta | Rank |
|---|---|---|
| 2025 | 78 | #2326 |
| 2024 | 82 | #2265 |
| 2023 | 105 | #1890 |
| 2022 | 65 | #2661 |
| 2021 | 105 | #1885 |
| 2020 | 119 | #1704 |
| 2019 | 136 | #1569 |
| 2018 | 103 | #1925 |
| 2017 | 67 | #2597 |
| 2016 | 39 | #3849 |
| 2015 | 39 | #3842 |
| 2014 | 28 | #4892 |
| 2013 | 16 | #7372 |
| 2012 | 16 | #7456 |
| 2011 | 8 | #12153 |
| 2010 | 8 | #12276 |
| 2009 | 11 | #9975 |
| 2008 | 5 | #17504 |
| 2007 | 6 | #15491 |
| 2006 | 14 | #8237 |
| 2005 | 19 | #6245 |
| 2004 | 15 | #7391 |
| 2003 | 15 | #7207 |
| 2002 | 5 | #15432 |
| 2001 | 12 | #8196 |
Frequently asked questions
Is Delta a popular girl name?
Delta ranked #2329 among girls in 2025 with 78 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3842.
When was the name Delta most popular?
Delta peaked in 2019, when 136 American girls received the name (ranked #1569 that year). Since 2019 the name has declined from that high.
How rare is the name Delta?
In 2025, roughly 1 in 23,077 newborn American girls was named Delta. It scores 81/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.