Isa
Girl name · #1711 in 2025 · Very rare
How old is the name Isa? In official American birth records, Isa has been tracked continuously since 1880, giving it 145 years of documented American history.
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: Official national birth records.
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
How old is the name Isa?
In official American birth records, the name Isa first appeared in 1880 (over 145 years ago), when 5 newborn girls received the name. It has over a century of continuous American history.
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: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.