Girls' name · since 1998
Isys
330 babies named Isys in U.S. Social Security records since 1998, with the highest year being 2005. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #15,128 of 72,339
- all-time among girls
- #13,899 of 17,297
- 2025 SSA year
- 330
- born since 1998
- 2000s
- peak decade
Yes -- Isys is the #13899 most popular girls' name in the U.S. today, with 330 recorded since 1998.
Social Security Administration records show Isys recorded 330 times among girls since 1998, holding rank #13899 nationally today, ahead of 20% of girls, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1998 to 2025.
- #15,128 of 72,339 all-time among girls
- #13,899 of 17,297 2025 SSA year
- 330 born since 1998
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Isys ranks #15,128 of 72,339 girls' names by all-time recorded births (highest first) and #13,899 of 17,297 among girls' names in 2025. 330 born since 1998, peaking in the 2000s.
- #15,128 of 72,339
- all-time among girls
- #13,899 of 17,297
- 2025 SSA year
- 330
- born since 1998
- 2000s
- peak decade
Isys's 330 recorded births place it above 79.07% of the 72,339 girls names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by California.
How Isys compares
330 47th percentile among 17,297 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
Isys's all-time total is 12% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Isys | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 330 | 376 | 567,345 |
| Peak-year births | 28 | 21 | 19,840 |
Isys's usage pattern, beyond the headline number
Isys splits its recorded history at 2009: 47% of all births land in the more recent half, 53% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1999 (5 births) -- compare that against the 2005 peak of 28 for a sense of just how much the name's popularity has swung.
Isys popularity over time
Annual U.S. births registered with the Social Security Administration · 1998–2025
- Peak year (2005)
- 28
- Annual births at peak, across 28 years of records
Isys by decade
2000s is the heaviest window (186 births, 56% of the file).
2000s was Isys's strongest decade.
186 babies received the name during that ten-year window, about 56% of all-time use.
Isys births by decade
Total births in each ten-year window
- 1990s 12
1990s
12 births
- 2000s
2000s
186 births
- 2010s
2010s
106 births
- 2020s 26
2020s
26 births
What this shows Peak: 2000s at 186 births (56% of all-time use).
Isys by state
Where Isys concentrates geographically, total births since 1998
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 11 | 3.3% |
| #2 | Texas | | 6 | 1.8% |
11 of 330 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Isys's data
- Isys's decade-level peak was the 2000s (186 total births); usage has since declined to 26 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Isyss (11 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Isys
Nearby Names Like Isys
Names with a similar sound, spelling, or feel to Isys
Compare Isys side by side: Isys vs Isyss
Related Names
Names with a similar popularity rank to Isys
Nationwide names with similar peak year or record span
Two nationwide peer axes for Isys: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2005)
Similar record span (~27 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1998–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Isys 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 August 2026.