Total births
339
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.
- #7037
- among girls today
- 339
- born since 1985
- 2010s
- peak decade
- 60%
- more common than other girls
Yes -- Cosima is the #7037 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 #7037 nationally today, ahead of 60% 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.
- #7037 among girls today
- 339 born since 1985
- 2010s peak decade
- 60% more common than other girls
Data updated Jun 2026
The verdict
Cosima is currently the #7037 girls' name in America, more common than 60% of girls - 339 born since 1985, peaking in the 2010s.
- #7037
- among girls today
- 339
- born since 1985
- 2010s
- peak decade
- 60%
- more common than other girls
Cosima vs. every other girls name in current SSA rankings
#7037
of 17,726 girls in use
More common than 60% of names given to girls today.
2010s
Peak decade
60% of everyone ever named Cosima was born in this single decade.
2017
Single peak year
36 babies were named Cosima in 2017 - its busiest year on record.
How Cosima compares
339 48th percentile among 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
Cosima's all-time total is 11% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Cosima | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 339 | 382 | 567,345 |
| Peak-year births | 36 | 48 | 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 at a glance
Outside the top 1,000Peak year
2017
Current rank
#7,037
Active since
1985
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
Cosima by decade
Total births in each ten-year window, peak vs trough at a glance
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 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% |
California share of Cosima's total US births 5.9%
Even split
20 of 339 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
How popular is the name Cosima? ▼
Cosima has been given to 339 babies in the U.S. since 1985, according to SSA data. Among girls, it ranks #7037 as of the latest data. 36 babies were born in 2017, its single highest year.
When was Cosima most popular? ▼
Cosima was most popular in the 2010s decade with 205 total births. The single peak year was 2017.
Where is Cosima most popular? ▼
The top states for the name Cosima are California (20 births), New York (17 births), Texas (6 births).
How long has the name Cosima been used? ▼
Cosima has been recorded in Social Security data since 1985, spanning 41 years of data through 2025.
What names are similar to Cosima? ▼
Names with a similar sound or spelling include Cosette, Costella, Cosandra, Cosetta, and 4 more. These share a common prefix and are also used for girls.
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
- 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 Cosima
Nearby Names Like Cosima
Names with a similar sound, spelling, or feel to Cosima
Cosette Girl
#1900 3,080 births
Costella Girl
428 births
Cosandra Girl
135 births
Cosetta Girl
46 births
Cossette Girl
46 births
Compare Cosima side by side: Cosima vs Cosette Cosima vs Costella Cosima vs Cosandra
Related Names
Names with a similar popularity rank to Cosima
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, 1985–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cosima: #7037 Girls' Name - 339 Births, Peak 2017." NameAlmanac. Accessed via https://namealmanac.com/name/cosima. 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 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 June 2026.