Jaci
Girl name · #2909 in 2025 · Very rare
How old is the name Jaci? In official American birth records, Jaci has been tracked continuously since 1934, giving it 91 years of documented American history.
Jaci ranks #2909 among American girls' names as of 2025, with 58 newborns given the name that year. A decade ago it stood at #2039, so the name has been falling over the past ten years. Roughly one in every 31,034 girls born in 2025 was named Jaci.
Babies named Jaci per year. Source: Official national birth records.
The 91-year story
Jaci first appears in the Social Security records in 1934, when 5 girls received the name. Its peak came in 2005, when 221 girls were named Jaci — good for #1074 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.
Unlock the 5-year forecast and compare Jaci against up to 5 other names.
Uniqueness: will there be another Jaci in class?
On our rarity read — which blends how common Jaci is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Jaci will likely be the only one in the room, with the occasional spelling-out as the price.
Where Jaci is most common
State-level data for Jaci 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 Jaci
Statistically, parents drawn to Jaci tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jayci, Laci, Janai, Lili, and Jacie.
JayciLaciJanaiLiliJacieKaciAniKalli
Rank history (last 25 years)
| Year | Babies named Jaci | Rank |
|---|---|---|
| 2025 | 58 | #2895 |
| 2024 | 50 | #3176 |
| 2023 | 63 | #2730 |
| 2022 | 66 | #2639 |
| 2021 | 62 | #2751 |
| 2020 | 71 | #2441 |
| 2019 | 81 | #2249 |
| 2018 | 83 | #2217 |
| 2017 | 78 | #2338 |
| 2016 | 89 | #2168 |
| 2015 | 96 | #2039 |
| 2014 | 115 | #1781 |
| 2013 | 109 | #1849 |
| 2012 | 117 | #1760 |
| 2011 | 142 | #1540 |
| 2010 | 123 | #1703 |
| 2009 | 146 | #1546 |
| 2008 | 134 | #1664 |
| 2007 | 183 | #1326 |
| 2006 | 198 | #1212 |
| 2005 | 221 | #1074 |
| 2004 | 210 | #1091 |
| 2003 | 172 | #1227 |
| 2002 | 156 | #1264 |
| 2001 | 148 | #1299 |
Frequently asked questions
How old is the name Jaci?
In official American birth records, the name Jaci first appeared in 1934 (over 91 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 91 years.
Is Jaci a popular girl name?
Jaci ranked #2909 among girls in 2025 with 58 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2039.
When was the name Jaci most popular?
Jaci peaked in 2005, when 221 American girls received the name (ranked #1074 that year). Since 2005 the name has declined from that high.
How rare is the name Jaci?
In 2025, roughly 1 in 31,034 newborn American girls was named Jaci. 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.