Girls' name · since 1985
Cosima
Since 1985, U.S. Social Security records show 339 babies named Cosima, peaking in 2017. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #14,902 of 72,339
- all-time among girls
- #6,195 of 17,297
- 2025 SSA year
- 339
- born since 1985
- 2010s
- peak decade
Yes -- Cosima is the #6195 most popular girls' name in the U.S. today, with 339 recorded since 1985.
Social Security Administration records show Cosima recorded 339 times among girls since 1985, holding rank #6195 nationally today, ahead of 64% 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 1985 to 2025.
- #14,902 of 72,339 all-time among girls
- #6,195 of 17,297 2025 SSA year
- 339 born since 1985
- 2010s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Cosima ranks #14,902 of 72,339 girls' names by all-time recorded births (highest first) and #6,195 of 17,297 among girls' names in 2025. 339 born since 1985, peaking in the 2010s.
- #14,902 of 72,339
- all-time among girls
- #6,195 of 17,297
- 2025 SSA year
- 339
- born since 1985
- 2010s
- peak decade
Cosima's 339 recorded births place it above 79.36% of the 72,339 girls names in the full SSA archive.
The state file records this name in 4 jurisdictions, led by California.
How Cosima compares
339 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
Cosima's all-time total is 10% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Cosima | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 339 | 376 | 567,345 |
| Peak-year births | 36 | 21 | 19,840 |
Cosima's usage pattern, beyond the headline number
Divide Cosima's SSA record in two at 2014 and the more recent half accounts for 78% of all births, the earlier half the remaining 22%, consistent with a name still gaining ground rather than fading. Its calmest year was 1985, with only 5 births recorded -- set against the 2017 peak of 36, that's the full swing in one name's fortunes.
Cosima popularity over time
Annual U.S. births registered with the Social Security Administration · 1985–2025
- Peak year (2017)
- 36
- Annual births at peak, across 41 years of records
Currently ranks #6195 among girls.
339 total births across 41 years of SSA records. Peaked in 2017 with 36 births in a single year.
Cosima by decade
2010s is the heaviest window (205 births, 60% of the file).
2010s was Cosima's strongest decade.
205 babies received the name during that ten-year window, about 60% of all-time use.
Cosima births by decade
Total births in each ten-year window
- 1980s 13
1980s
13 births
- 1990s 5
1990s
5 births
- 2000s 24
2000s
24 births
- 2010s
2010s
205 births
- 2020s
2020s
92 births
What this shows Peak: 2010s at 205 births (60% of all-time use).
Cosima decade highlights
- Peak decade 205 births
- Runner-up 92 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
Cosima by state
Where Cosima concentrates geographically, total births since 1985
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 20 | 5.9% |
| #2 | New York | | 17 | 5.0% |
| #3 | Texas | | 6 | 1.8% |
| #4 | Washington | | 6 | 1.8% |
20 of 339 births nationwide. Compared to a flat distribution across 4 reporting states.
Top 5 states
- California 5.9% of nationwide
- New York 5.0% of nationwide
- Texas 1.8% of nationwide
- Washington 1.8% of nationwide
Recorded in 4 of 51 SSA jurisdictions
California accounts for 5.9% of all recorded births nationwide - a relatively diffuse profile for this name.
Frequently Asked Questions
How popular is the name Cosima? ▼
Where does Cosima sit in the SSA name archive? ▼
When was Cosima most popular? ▼
Where is Cosima most popular? ▼
How long has the name Cosima been used? ▼
What names are similar to Cosima? ▼
What to do with Cosima's data
- Cosima's usage has stayed within range of its 2010s decade-level peak (205 total births) through the 2020s (92) -- a comparatively stable name, not a fading trend.
- California records the most Cosimas (20 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 Cosima
Nearby Names Like Cosima
Names with a similar sound, spelling, or feel to Cosima
Compare Cosima side by side: Cosima vs Cosette Cosima vs Costella Cosima vs Cosandra
Related Names
Names with a similar popularity rank to Cosima
Nationwide names with similar peak year or record span
Two nationwide peer axes for Cosima: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2017)
Similar record span (~40 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, 1985–2025 (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 Cosima 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.
Published by
NameAlmanac
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.