Kacper: 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	Boys	Per year	Change	Best rank
1880s	–	–	–	–
1890s	–	–	–	–
1900s	–	–	–	–
1910s	–	–	–	–
1920s	–	–	–	–
1930s	–	–	–	–
1940s	–	–	–	–
1950s	–	–	–	–
1960s	–	–	–	–
1970s	–	–	–	–
1980s	–	–	–	–
1990s	63	6	–	#5,023
2000s	563	56	+794%	#1,651
2010s	400	40	-29%	#2,167
2020s (to 2025)	76	13	-68%	#5,550

Decade

Boys

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

1950s

–

1960s

–

1970s

–

1980s

–

1990s

–

#5,023

2000s

563

+794%

#1,651

2010s

400

-29%

#2,167

2020s (to 2025)

-68%

#5,550

The story of Kacper

Kacper is rare for boys in the United States, ranked #7,412 in 2025 with 11 babies given the name. It is currently declining compared with a decade ago.

Since 1994, 1,102 American babies have been named Kacper. Its peak came in 2007, when 88 newborns received the name, the signature sound of the 2000s.

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 Kacper stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kacper?

The median living Kacper is about 17 years old; half are between 12 and 20. An estimated 1,100 people named Kacper 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.

Kacper year by year

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

Year	Boys	Boys rank
2025	11	#7,412
2024	17	#5,550
2023	12	#7,095
2022	14	#6,309
2021	11	#7,348
2020	11	#7,250
2019	23	#4,409
2018	32	#3,477
2017	19	#5,019
2016	45	#2,705
2015	30	#3,633
2014	43	#2,777
2013	36	#3,093
2012	62	#2,167
2011	54	#2,360
2010	56	#2,302
2009	57	#2,308
2008	76	#1,909
2007	88	#1,714
2006	87	#1,651
2005	65	#1,952
2004	65	#1,899
2003	42	#2,488
2002	23	#3,725
2001	29	#3,104
2000	31	#2,891
1995	11	#5,319
1990	–	–
1985	–	–
1980	–	–
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Kacper?

The median living Kacper is about 17 years old. Half of all living Kacpers are between 12 and 20 years old.

How many people named Kacper are alive today?

An estimated 1,100 people named Kacper are alive in the United States, based on 1,102 recorded births and Social Security life tables.

How popular is the name Kacper in 2025?

Kacper ranked #7,412 among boys' names in the United States in 2025, with 11 babies given the name, according to Social Security Administration data.

How many people are named Kacper?

1,102 babies have been named Kacper in the United States since 1994, based on Social Security card applications.

When was the name Kacper most popular?

Kacper peaked in 2007, when 88 newborns received the name.

Is Kacper a boy or girl name?

Kacper is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Kacper rising or falling?

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

Kacper

Kacper popularity over time

The story of Kacper

How old are people named Kacper?

Kacper year by year

Frequently asked questions

Names like Kacper