Kajsa: Name Popularity, History & Rankings (1880

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade	Girls	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	–	–	–	–
1940s	–	–	–	–
1950s	–	–	–	–
1960s	–	–	–	–
1970s	17	2	–	#7,464
1980s	57	6	+235%	#6,542
1990s	96	10	+68%	#7,050
2000s	119	12	+24%	#7,127
2010s	88	9	-26%	#7,056
2020s (to 2025)	29	5	-45%	#10,663

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

1950s

–

1960s

–

1970s

–

#7,464

1980s

+235%

#6,542

1990s

+68%

#7,050

2000s

119

+24%

#7,127

2010s

-26%

#7,056

2020s (to 2025)

-45%

#10,663

The story of Kajsa

Kajsa is rare for girls in the United States, ranked #16,039 in 2025 with 5 babies given the name. It is currently declining compared with a decade ago.

Since 1970, 406 American babies have been named Kajsa. Its peak came in 2010, when 18 newborns received the name, the signature sound of the 2010s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kajsa stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Kajsa?

The median living Kajsa is about 22 years old; half are between 15 and 33. An estimated 400 people named Kajsa are alive in the United States today.

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Kajsa year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year	Girls	Girls rank
2025	5	#16,039
2024	9	#10,663
2023	–	–
2022	–	–
2021	9	#10,671
2020	6	#14,242
2019	–	–
2018	13	#8,348
2017	–	–
2016	10	#10,458
2015	5	#17,753
2014	10	#10,523
2013	11	#9,902
2012	7	#14,203
2011	14	#8,406
2010	18	#7,056
2009	17	#7,511
2008	14	#8,728
2007	8	#13,262
2006	12	#9,583
2005	13	#8,579
2004	15	#7,606
2003	7	#13,087
2002	8	#11,609
2001	15	#7,127
2000	10	#9,504
1995	8	#10,002
1990	11	#7,559
1985	–	–
1980	5	#11,097
1975	–	–
1970	6	#7,464
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

Quick answers about Kajsa, drawn from the same Social Security data as the charts above.

How old is the average Kajsa?

The median living Kajsa is about 22 years old. Half of all living Kajsas are between 15 and 33 years old.

How many people named Kajsa are alive today?

An estimated 400 people named Kajsa are alive in the United States, based on 406 recorded births and Social Security life tables.

How popular is the name Kajsa in 2025?

Kajsa ranked #16,039 among girls' names in the United States in 2025, with 5 babies given the name, according to Social Security Administration data.

How many people are named Kajsa?

406 babies have been named Kajsa in the United States since 1970, based on Social Security card applications.

When was the name Kajsa most popular?

Kajsa peaked in 2010, when 18 newborns received the name.

Is Kajsa a boy or girl name?

Kajsa is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Kajsa rising or falling?

Kajsa is declining, less popular now than a decade ago.

Who are famous people named Kajsa?

Well-known people named Kajsa include Kajsa Bergqvist (athlete).

Kajsa

Kajsa popularity over time

The story of Kajsa

How old are people named Kajsa?

Kajsa year by year

Famous people named Kajsa

Frequently asked questions

Names like Kajsa