Isa
Girl name · #1711 in 2025 · Very rare
Isa is currently the #1711 girl name in the United States — 119 babies received it in 2025. A decade ago it stood at #2471, so the name has been rising over the past ten years. Roughly one in every 15,126 girls born in 2025 was named Isa.
Babies named Isa per year. Source: SSA.
The 145-year story
Isa first appears in the Social Security records in 1880, when 5 girls received the name. Its all-time peak is essentially right now: 2025, with 119 babies and a rank of #1710. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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 Isa against up to 5 other names.
Uniqueness: will there be another Isa in class?
On our rarity read — which blends how common Isa is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Isa will likely be the only one in the room, with the occasional spelling-out as the price.
Where Isa is most common
State-level data for Isa 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 Isa
Statistically, parents drawn to Isa tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Eloisa, Issa, Asa, Irina, and Isra.
EloisaIssaAsaIrinaIsraIqraLuisaJia
Rank history (last 25 years)
| Year | Babies named Isa | Rank |
|---|---|---|
| 2025 | 119 | #1710 |
| 2024 | 100 | #1966 |
| 2023 | 83 | #2244 |
| 2022 | 103 | #1930 |
| 2021 | 77 | #2345 |
| 2020 | 92 | #2023 |
| 2019 | 94 | #2035 |
| 2018 | 103 | #1925 |
| 2017 | 88 | #2160 |
| 2016 | 74 | #2463 |
| 2015 | 73 | #2471 |
| 2014 | 95 | #2049 |
| 2013 | 62 | #2769 |
| 2012 | 62 | #2805 |
| 2011 | 64 | #2725 |
| 2010 | 56 | #3010 |
| 2009 | 53 | #3161 |
| 2008 | 55 | #3084 |
| 2007 | 55 | #3125 |
| 2006 | 38 | #3919 |
| 2005 | 49 | #3170 |
| 2004 | 43 | #3444 |
| 2003 | 32 | #4109 |
| 2002 | 24 | #4906 |
| 2001 | 22 | #5174 |
Frequently asked questions
Is Isa a popular girl name?
Isa ranked #1711 among girls in 2025 with 119 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2471.
When was the name Isa most popular?
Isa peaked in 2025, when 119 American girls received the name (ranked #1710 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Isa?
In 2025, roughly 1 in 15,126 newborn American girls was named Isa. On our rarity scale (rarity blended with momentum) we classify it as "very 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.