Total births
406
Girls' name · since 1970
Kajsa
Kajsa has 406 recorded births since 1970 in federal Social Security data, most heavily in 2010 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #10459
- among girls today
- 406
- born since 1970
- 2000s
- peak decade
- 41%
- more common than other girls
Yes -- Kajsa is the #10459 most popular girls' name in the U.S. today, with 406 recorded since 1970.
According to the U.S. Social Security Administration, Kajsa has been recorded 406 times among girls since 1970, currently ranked #10459 nationally and more common than 41% of girls, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1970 to 2025.
- #10459 among girls today
- 406 born since 1970
- 2000s peak decade
- 41% more common than other girls
Data updated Jun 2026
The verdict
Kajsa is currently the #10459 girls' name in America, more common than 41% of girls - 406 born since 1970, peaking in the 2000s.
- #10459
- among girls today
- 406
- born since 1970
- 2000s
- peak decade
- 41%
- more common than other girls
Kajsa vs. every other girls name in current SSA rankings
#10459
of 17,726 girls in use
More common than 41% of names given to girls today.
2000s
Peak decade
29% of everyone ever named Kajsa was born in this single decade.
2010
Single peak year
18 babies were named Kajsa in 2010 - its busiest year on record.
How Kajsa compares
406 Top 49% higher than 51% 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
Kajsa's all-time total is 6% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Kajsa | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 406 | 382 | 567,345 |
| Peak-year births | 18 | 48 | 19,840 |
Kajsa's usage pattern, beyond the headline number
Kajsa splits its recorded history at 2000: 58% of all births land in the more recent half, 42% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1979 (5 births) -- compare that against the 2010 peak of 18 for a sense of just how much the name's popularity has swung.
Kajsa at a glance
Outside the top 1,000Peak year
2010
Current rank
#10,459
Active since
1970
Kajsa popularity over time
Annual U.S. births registered with the Social Security Administration · 1970–2025
- Peak year (2010)
- 18
- Annual births at peak, across 56 years of records
Kajsa by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Kajsa's strongest decade.
119 babies received the name during that ten-year window, about 29% of all-time use.
Kajsa births by decade
Total births in each ten-year window
- 1970s 17
1970s
17 births
- 1980s
1980s
57 births
- 1990s
1990s
96 births
- 2000s
2000s
119 births
- 2010s
2010s
88 births
- 2020s 29
2020s
29 births
What this shows Peak: 2000s at 119 births (29% of all-time use).
Frequently Asked Questions
How popular is the name Kajsa? ▼
Kajsa has been given to 406 babies in the U.S. since 1970, according to SSA data. Among girls, it ranks #10459 as of the latest data. 18 babies were born in 2010, its single highest year.
When was Kajsa most popular? ▼
Kajsa was most popular in the 2000s decade with 119 total births. The single peak year was 2010.
How long has the name Kajsa been used? ▼
Records for Kajsa go back to 1970, giving 56 years of history through 2025.
What names are similar to Kajsa? ▼
Names with a similar sound or spelling include Kaja, Kajal, Kajuana, Kajah, and 4 more. These share a common prefix and are also used for girls.
What to do with Kajsa's data
- Kajsa's decade-level peak was the 2000s (119 total births); usage has since declined to 29 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- 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 Kajsa
Nearby Names Like Kajsa
Names with a similar sound, spelling, or feel to Kajsa
Kaja Girl
#6226 711 births
Kajal Girl
369 births
Kajuana Girl
118 births
Kajah Girl
81 births
Kajol Girl
66 births
Compare Kajsa side by side: Kajsa vs Kaja Kajsa vs Kajal Kajsa vs Kajuana
Related Names
Names with a similar popularity rank to Kajsa
Ashli #10458
5,718 births · Peak 1989
Loreal #10460
1,720 births · Peak 1989
Mariaisabel #10457
631 births · Peak 1998
Abigal #10461
797 births · Peak 2005
Lanya #10456
879 births · Peak 2005
Avonna #10462
381 births · Peak 2018
Shanika #10455
5,599 births · Peak 1979
Breck #10463
444 births · Peak 2000
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, 1970–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kajsa: #10459 Girls' Name - 406 Births, Peak 2010." NameAlmanac. Accessed via https://namealmanac.com/name/kajsa. 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 Kajsa 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.