Total births
3,433
Unisex name · since 1880
Isa
Since 1880, U.S. Social Security records show 3,433 babies named Isa, peaking in 2025. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #1967
- among girls today
- 3,433
- born since 1880
- 2010s
- peak decade
- 89%
- more common than other girls
3,433 babies have been named Isa since 1880, making it today's #1967 unisex name.
Social Security Administration records show Isa recorded 3,433 times among girls since 1880, holding rank #1967 nationally today, ahead of 89% of girls, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1880 to 2025.
- #1967 among girls today
- 3,433 born since 1880
- 2010s peak decade
- 89% more common than other girls
Data updated Jun 2026
The verdict
Isa is currently the #1967 unisex name in America, more common than 89% of girls - 3,433 born since 1880, peaking in the 2010s.
- #1967
- among girls today
- 3,433
- born since 1880
- 2010s
- peak decade
- 89%
- more common than other girls
Isa vs. every other girls name in current SSA rankings
#1967
of 17,726 girls in use
More common than 89% of names given to girls today.
2010s
Peak decade
22% of everyone ever named Isa was born in this single decade.
2025
Single peak year
119 babies were named Isa in 2025 - its busiest year on record.
How Isa compares
3,433 Top 16% higher than 84% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Isa's all-time total is 9x the median girls name, and Olivia still leads by a wide margin.
| Metric | Isa | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 3,433 | 382 | 567,345 |
| Peak-year births | 119 | 48 | 19,840 |
Isa's usage pattern, beyond the headline number
Divide Isa's SSA record in two at 1953 and the more recent half accounts for 72% of all births, the earlier half the remaining 28%, consistent with a name still gaining ground rather than fading. Its calmest year was 1880, with only 5 births recorded -- set against the 2025 peak of 119, that's the full swing in one name's fortunes.
Isa at a glance
Outside the top 1,000Peak year
2025
Current rank
#1,967
Active since
1880
Isa popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1880–2025
- Peak year (2025)
- 119
- Annual births at peak, across 146 years of records
Isa popularity over time - boys
3,142 total births recorded since 1915 (Isa as boys' name)
Isa by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Isa's strongest decade.
771 babies received the name during that ten-year window, about 22% of all-time use.
Isa births by decade
Total births in each ten-year window
- 1880s 129
1880s
129 births
- 1890s 142
1890s
142 births
- 1900s 124
1900s
124 births
- 1910s 176
1910s
176 births
- 1920s 156
1920s
156 births
- 1930s 117
1930s
117 births
- 1940s 83
1940s
83 births
- 1950s 74
1950s
74 births
- 1960s 133
1960s
133 births
- 1970s 188
1970s
188 births
- 1980s 180
1980s
180 births
- 1990s 194
1990s
194 births
- 2000s
2000s
392 births
- 2010s
2010s
771 births
- 2020s
2020s
574 births
What this shows Peak: 2010s at 771 births (22% of all-time use).
How Isa compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Isa's total volume
Isa vs 15 similarly-sized girls names
Isa by state
Where Isa concentrates geographically, total births since 1880
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 354 | 10.3% |
| #2 | Texas | | 240 | 7.0% |
| #3 | New York | | 126 | 3.7% |
| #4 | Florida | | 43 | 1.3% |
| #5 | Washington | | 13 | 0.4% |
| #6 | Pennsylvania | | 11 | 0.3% |
| #7 | Arizona | | 10 | 0.3% |
| #8 | Illinois | | 10 | 0.3% |
California share of Isa's total US births 10.3%
Even split
354 of 3,433 births nationwide. Compared to a flat distribution across 20 reporting states.
Isa appears in 20 states. Explore state details →
Frequently Asked Questions
How popular is the name Isa? ▼
3,433 babies have been named Isa since 1880. It currently ranks #1967 among girls. The peak year was 2025 with 119 births.
When was Isa most popular? ▼
Isa was most popular in the 2010s decade with 771 total births. The single peak year was 2025.
Where is Isa most popular? ▼
The top states for the name Isa are California (354 births), Texas (240 births), New York (126 births).
Is Isa a unisex name? ▼
Yes, Isa is used for both boys and girls. As a girl's name it has 3,433 births, and as a boy's name it has 3,142 births.
How long has the name Isa been used? ▼
Isa has been recorded in Social Security data since 1880, spanning 146 years of data through 2025.
What names are similar to Isa? ▼
Names with a similar sound or spelling include Isabella, Isabel, Isabelle, Isabell, and 4 more. These share a common prefix and are also used for girls.
What to do with Isa's data
- Isa's usage has stayed within range of its 2010s decade-level peak (771 total births) through the 2020s (574) -- a comparatively stable name, not a fading trend.
- California records the most Isas (354 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Isa
Nearby Names Like Isa
Names with a similar sound, spelling, or feel to Isa
Isabella Girl
#7 417,001 births
Isabel Girl
#167 132,150 births
Isabelle Girl
#172 107,762 births
Isabell Girl
#2282 15,274 births
Isabela Girl
#644 12,698 births
Compare Isa side by side: Isa vs Isabella Isa vs Isabel Isa vs Isabelle
Related Names
Names with a similar popularity rank to Isa
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1880–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Isa: #1967 Unisex Name - 3,433 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/isa. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Isa draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.