Kelsi
Girl name · #3929 in 2025 · Very rare
How old is the name Kelsi? In official American birth records, Kelsi has been tracked continuously since 1969, giving it 56 years of documented American history.
In 2025, 37 baby girls were named Kelsi, placing it at #3929 in the official national rankings. A decade ago it stood at #2318, so the name has been falling over the past ten years. Roughly one in every 48,649 girls born in 2025 was named Kelsi.
The 56-year story
Kelsi first appears in the Social Security records in 1969, when 6 girls received the name. Its peak came in 1991, when 624 girls were named Kelsi — good for #410 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 Kelsi per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kelsi against up to 5 other names.
Uniqueness: will there be another Kelsi in class?
On our rarity read — which blends how common Kelsi is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kelsi will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kelsi is most common
State-level data for Kelsi 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 Kelsi
Statistically, parents drawn to Kelsi tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kelsea, Karli, Daysi, Kaysha, and Hali.
KelseaKarliDaysiKayshaHaliKaitlinKailaKiani
Rank history (last 25 years)
| Year | Babies named Kelsi | Rank |
|---|---|---|
| 2025 | 37 | #3903 |
| 2024 | 49 | #3225 |
| 2023 | 36 | #4047 |
| 2022 | 50 | #3220 |
| 2021 | 56 | #2958 |
| 2020 | 70 | #2468 |
| 2019 | 77 | #2331 |
| 2018 | 112 | #1813 |
| 2017 | 102 | #1954 |
| 2016 | 86 | #2221 |
| 2015 | 80 | #2318 |
| 2014 | 114 | #1794 |
| 2013 | 94 | #2052 |
| 2012 | 95 | #2028 |
| 2011 | 138 | #1577 |
| 2010 | 125 | #1688 |
| 2009 | 163 | #1432 |
| 2008 | 145 | #1573 |
| 2007 | 204 | #1224 |
| 2006 | 190 | #1260 |
| 2005 | 183 | #1239 |
| 2004 | 172 | #1258 |
| 2003 | 205 | #1079 |
| 2002 | 245 | #909 |
| 2001 | 290 | #810 |
Frequently asked questions
How old is the name Kelsi?
In official American birth records, the name Kelsi first appeared in 1969 (over 56 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 56 years.
Is Kelsi a popular girl name?
Kelsi ranked #3929 among girls in 2025 with 37 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2318.
When was the name Kelsi most popular?
Kelsi peaked in 1991, when 624 American girls received the name (ranked #410 that year). Since 1991 the name has declined from that high.
How rare is the name Kelsi?
In 2025, roughly 1 in 48,649 newborn American girls was named Kelsi. 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.