Kaci
Girl name · #2123 in 2025 · Very rare
How old is the name Kaci? In official American birth records, Kaci has been tracked continuously since 1965, giving it 60 years of documented American history.
Kaci ranks #2123 among American girls' names as of 2025, with 88 newborns given the name that year. A decade ago it stood at #1566, so the name has been falling over the past ten years. Roughly one in every 20,455 girls born in 2025 was named Kaci.
The 60-year story
Kaci first appears in the Social Security records in 1965, when 5 girls received the name. Its peak came in 1990, when 362 girls were named Kaci — good for #620 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 Kaci per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kaci against up to 5 other names.
Uniqueness: will there be another Kaci in class?
On our rarity read — which blends how common Kaci is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaci will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaci is most common
State-level data for Kaci 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 Kaci
Statistically, parents drawn to Kaci tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jaci, Karli, Kayce, Kaila, and Laci.
JaciKarliKayceKailaLaciKaseyMaiKelsi
Rank history (last 25 years)
| Year | Babies named Kaci | Rank |
|---|---|---|
| 2025 | 88 | #2117 |
| 2024 | 93 | #2067 |
| 2023 | 107 | #1865 |
| 2022 | 123 | #1692 |
| 2021 | 110 | #1830 |
| 2020 | 126 | #1642 |
| 2019 | 138 | #1560 |
| 2018 | 143 | #1520 |
| 2017 | 142 | #1545 |
| 2016 | 165 | #1406 |
| 2015 | 140 | #1566 |
| 2014 | 127 | #1665 |
| 2013 | 145 | #1514 |
| 2012 | 129 | #1651 |
| 2011 | 151 | #1480 |
| 2010 | 180 | #1307 |
| 2009 | 157 | #1478 |
| 2008 | 190 | #1309 |
| 2007 | 182 | #1332 |
| 2006 | 234 | #1083 |
| 2005 | 245 | #994 |
| 2004 | 243 | #978 |
| 2003 | 240 | #967 |
| 2002 | 206 | #1044 |
| 2001 | 229 | #958 |
Frequently asked questions
How old is the name Kaci?
In official American birth records, the name Kaci first appeared in 1965 (over 60 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 60 years.
Is Kaci a popular girl name?
Kaci ranked #2123 among girls in 2025 with 88 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1566.
When was the name Kaci most popular?
Kaci peaked in 1990, when 362 American girls received the name (ranked #620 that year). Since 1990 the name has declined from that high.
How rare is the name Kaci?
In 2025, roughly 1 in 20,455 newborn American girls was named Kaci. 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.