Girls' name · since 1946
Nilsa
Nilsa has 1,809 recorded births since 1946 in federal Social Security data, most heavily in 1960 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #5,042 of 72,339
- all-time among girls
- #15,165 of 17,297
- 2025 SSA year
- 1,809
- born since 1946
- 1960s
- peak decade
Nilsa currently ranks #15165 among girls' names in America, with 1,809 babies recorded since 1946.
Social Security Administration records show Nilsa recorded 1,809 times among girls since 1946, holding rank #15165 nationally today, ahead of 12% of girls, peaking in the 1960s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1946 to 2025.
- #5,042 of 72,339 all-time among girls
- #15,165 of 17,297 2025 SSA year
- 1,809 born since 1946
- 1960s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Nilsa ranks #5,042 of 72,339 girls' names by all-time recorded births (highest first) and #15,165 of 17,297 among girls' names in 2025. 1,809 born since 1946, peaking in the 1960s.
- #5,042 of 72,339
- all-time among girls
- #15,165 of 17,297
- 2025 SSA year
- 1,809
- born since 1946
- 1960s
- peak decade
Nilsa's 1,809 recorded births place it above 93.03% of the 72,339 girls names in the full SSA archive.
8 jurisdictions carry state-level records, led by New York.
How Nilsa compares
1,809 Top 24% higher than 76% of 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
Nilsa's all-time total is 5x the median girls name, and Olivia still leads by a wide margin.
| Metric | Nilsa | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 1,809 | 376 | 567,345 |
| Peak-year births | 76 | 21 | 19,840 |
Nilsa's usage pattern, beyond the headline number
Divide Nilsa's SSA record in two at 1981 and the more recent half accounts for 21% of all births, the earlier half the remaining 79%, consistent with a name more common in the past than in recent years. Its calmest year was 1946, with only 5 births recorded -- set against the 1960 peak of 76, that's the full swing in one name's fortunes.
Nilsa popularity over time
Annual U.S. births registered with the Social Security Administration · 1946–2025
- Peak year (1960)
- 76
- Annual births at peak, across 80 years of records
Nilsa by decade
1960s is the heaviest window (606 births, 33% of the file).
1960s was Nilsa's strongest decade.
606 babies received the name during that ten-year window, about 33% of all-time use.
Nilsa births by decade
Total births in each ten-year window
- 1940s 22
1940s
22 births
- 1950s
1950s
419 births
- 1960s
1960s
606 births
- 1970s
1970s
349 births
- 1980s 184
1980s
184 births
- 1990s 103
1990s
103 births
- 2000s 63
2000s
63 births
- 2010s 25
2010s
25 births
- 2020s 38
2020s
38 births
What this shows Peak: 1960s at 606 births (33% of all-time use).
How Nilsa 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 Nilsa's total volume
Nilsa by state
Where Nilsa concentrates geographically, total births since 1946
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 977 | 54.0% |
| #2 | New Jersey | | 88 | 4.9% |
| #3 | Illinois | | 56 | 3.1% |
| #4 | Connecticut | | 5 | 0.3% |
| #5 | Florida | | 5 | 0.3% |
| #6 | Massachusetts | | 5 | 0.3% |
| #7 | Ohio | | 5 | 0.3% |
| #8 | Pennsylvania | | 5 | 0.3% |
977 of 1,809 births nationwide. Compared to a flat distribution across 8 reporting states.
Frequently Asked Questions
How popular is the name Nilsa? ▼
Where does Nilsa sit in the SSA name archive? ▼
When was Nilsa most popular? ▼
Where is Nilsa most popular? ▼
How long has the name Nilsa been used? ▼
What names are similar to Nilsa? ▼
What to do with Nilsa's data
- Nilsa's decade-level peak was the 1960s (606 total births); usage has since declined to 38 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New York records the most Nilsas (977 births) -- see the full state breakdown if geography matters to your decision. New York names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Nilsa
Nearby Names Like Nilsa
Names with a similar sound, spelling, or feel to Nilsa
Compare Nilsa side by side: Nilsa vs Nila Nilsa vs Nilda Nilsa vs Nilah
Related Names
Names with a similar popularity rank to Nilsa
Nationwide names with similar peak year or record span
Two nationwide peer axes for Nilsa: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1960)
Similar record span (~79 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, 1946–2025 (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 Nilsa 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.