Kooper
Girl name · #4852 in 2025 · Very rare
How old is the name Kooper? In official American birth records, Kooper has been tracked continuously since 2004, giving it 21 years of documented American history.
Kooper ranks #4852 among American girls' names as of 2025, with 28 newborns given the name that year. A decade ago it stood at #6452, so the name has been rising over the past ten years. Roughly one in every 64,286 girls born in 2025 was named Kooper.
The 21-year story
Kooper first appears in the Social Security records in 2004, when 8 girls received the name. Its peak came in 2014, when 28 girls were named Kooper — good for #4892 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 Kooper per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kooper against up to 5 other names.
Uniqueness: will there be another Kooper in class?
On our rarity read — which blends how common Kooper is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kooper will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kooper is most common
State-level data for Kooper 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 Kooper
Statistically, parents drawn to Kooper tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kymber, Pyper, Jasper, Pepper, and Vesper.
KymberPyperJasperPepperVesperArcherForeverSayler
Rank history (last 25 years)
| Year | Babies named Kooper | Rank |
|---|---|---|
| 2025 | 28 | #4758 |
| 2024 | 15 | #7251 |
| 2023 | 16 | #6922 |
| 2022 | 27 | #4907 |
| 2021 | 23 | #5398 |
| 2020 | 12 | #8406 |
| 2019 | 16 | #7025 |
| 2018 | 28 | #4768 |
| 2017 | 22 | #5661 |
| 2016 | 14 | #7988 |
| 2015 | 19 | #6452 |
| 2014 | 28 | #4892 |
| 2013 | 19 | #6462 |
| 2012 | 24 | #5557 |
| 2011 | 18 | #6855 |
| 2010 | 14 | #8271 |
| 2009 | 14 | #8454 |
| 2008 | 8 | #12579 |
| 2007 | 12 | #9539 |
| 2006 | 5 | #17168 |
| 2005 | 10 | #10128 |
| 2004 | 8 | #11624 |
Frequently asked questions
How old is the name Kooper?
In official American birth records, the name Kooper first appeared in 2004 (over 21 years ago), when 8 newborn girls received the name. It has been tracked in modern national records for 21 years.
Is Kooper a popular girl name?
Kooper ranked #4852 among girls in 2025 with 28 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #6452.
When was the name Kooper most popular?
Kooper peaked in 2014, when 28 American girls received the name (ranked #4892 that year). Since 2014 the name has recovered some ground.
How rare is the name Kooper?
In 2025, roughly 1 in 64,286 newborn American girls was named Kooper. 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.