Total births
1,725
Girls' name · since 1958
Kasia
Kasia has 1,725 recorded births since 1958 in federal Social Security data, most heavily in 2002 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #5649
- among girls today
- 1,725
- born since 1958
- 2000s
- peak decade
- 68%
- more common than other girls
1,725 babies have been named Kasia since 1958, making it today's #5649 girls' name.
Kasia has 1,725 recorded births among girls since 1958, per the U.S. Social Security Administration, ranked #5649 as of the latest data, more common than 68% of girls, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1958 to 2025.
- #5649 among girls today
- 1,725 born since 1958
- 2000s peak decade
- 68% more common than other girls
Data updated Jun 2026
The verdict
Kasia is currently the #5649 girls' name in America, more common than 68% of girls - 1,725 born since 1958, peaking in the 2000s.
- #5649
- among girls today
- 1,725
- born since 1958
- 2000s
- peak decade
- 68%
- more common than other girls
Kasia vs. every other girls name in current SSA rankings
#5649
of 17,726 girls in use
More common than 68% of names given to girls today.
2000s
Peak decade
32% of everyone ever named Kasia was born in this single decade.
2002
Single peak year
71 babies were named Kasia in 2002 - its busiest year on record.
How Kasia compares
1,725 Top 24% higher than 76% 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
Kasia's all-time total is 5x the median girls name, and Olivia still leads by a wide margin.
| Metric | Kasia | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 1,725 | 382 | 567,345 |
| Peak-year births | 71 | 48 | 19,840 |
Kasia's usage pattern, beyond the headline number
Divide Kasia's SSA record in two at 1995 and the more recent half accounts for 69% of all births, the earlier half the remaining 31%, consistent with a name still gaining ground rather than fading. Its calmest year was 1958, with only 5 births recorded -- set against the 2002 peak of 71, that's the full swing in one name's fortunes.
Kasia at a glance
Outside the top 1,000Peak year
2002
Current rank
#5,649
Active since
1958
Kasia popularity over time
Annual U.S. births registered with the Social Security Administration · 1958–2025
- Peak year (2002)
- 71
- Annual births at peak, across 68 years of records
Kasia by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Kasia's strongest decade.
551 babies received the name during that ten-year window, about 32% of all-time use.
Kasia births by decade
Total births in each ten-year window
- 1950s 5
1950s
5 births
- 1960s 28
1960s
28 births
- 1970s 115
1970s
115 births
- 1980s
1980s
246 births
- 1990s
1990s
371 births
- 2000s
2000s
551 births
- 2010s
2010s
282 births
- 2020s 127
2020s
127 births
What this shows Peak: 2000s at 551 births (32% of all-time use).
How Kasia 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 Kasia's total volume
Kasia vs 15 similarly-sized girls names
Kasia by state
Where Kasia concentrates geographically, total births since 1958
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 82 | 4.8% |
| #2 | Texas | | 35 | 2.0% |
| #3 | New York | | 16 | 0.9% |
| #4 | Illinois | | 15 | 0.9% |
| #5 | Indiana | | 10 | 0.6% |
| #6 | Utah | | 10 | 0.6% |
| #7 | North Carolina | | 6 | 0.3% |
| #8 | Florida | | 5 | 0.3% |
California share of Kasia's total US births 4.8%
Even split
82 of 1,725 births nationwide. Compared to a flat distribution across 11 reporting states.
Kasia appears in 11 states. Explore state details →
Frequently Asked Questions
How popular is the name Kasia? ▼
1,725 babies have been named Kasia since 1958. It currently ranks #5649 among girls. The peak year was 2002 with 71 births.
When was Kasia most popular? ▼
Kasia was most popular in the 2000s decade with 551 total births. The single peak year was 2002.
Where is Kasia most popular? ▼
The top states for the name Kasia are California (82 births), Texas (35 births), New York (16 births).
How long has the name Kasia been used? ▼
Records for Kasia go back to 1958, giving 68 years of history through 2025.
What names are similar to Kasia? ▼
Names with a similar sound or spelling include Kassandra, Kasey, Kassidy, Kasandra, and 4 more. These share a common prefix and are also used for girls.
What to do with Kasia's data
- Kasia's decade-level peak was the 2000s (551 total births); usage has since declined to 127 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kasias (82 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 Kasia
Nearby Names Like Kasia
Names with a similar sound, spelling, or feel to Kasia
Kassandra Girl
#1209 33,512 births
Kasey Girl
#1593 33,326 births
Kassidy Girl
#982 21,282 births
Kasandra Girl
#8511 9,468 births
Kassie Girl
#3184 7,034 births
Compare Kasia side by side: Kasia vs Kassandra Kasia vs Kasey Kasia vs Kassidy
Related Names
Names with a similar popularity rank to Kasia
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, 1958–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kasia: #5649 Girls' Name - 1,725 Births, Peak 2002." NameAlmanac. Accessed via https://namealmanac.com/name/kasia. 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 Kasia 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.