Castle: 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	10	1	–	#3,998
1920s	7	1	-30%	#3,536
1930s	5	1	-29%	#3,724
1940s	–	–	–	–
1950s	–	–	–	–
1960s	5	1	–	#4,132
1970s	–	–	–	–
1980s	–	–	–	–
1990s	10	1	–	#9,841
2000s	29	3	+190%	#9,260
2010s	197	20	+579%	#3,460
2020s (to 2025)	122	20	+3%	#4,034

Decade

Boys

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

#3,998

1920s

-30%

#3,536

1930s

-29%

#3,724

1940s

–

1950s

–

1960s

–

#4,132

1970s

–

1980s

–

1990s

–

#9,841

2000s

+190%

#9,260

2010s

197

+579%

#3,460

2020s (to 2025)

122

+3%

#4,034

The story of Castle

Castle is rare for boys in the United States, ranked #5,430 in 2025 with 17 babies given the name. It is currently holding steady compared with a decade ago.

Since 1916, 385 American babies have been named Castle. Its peak came in 2018, when 32 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 Castle stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Castle?

The median living Castle is about 8 years old; half are between 4 and 13. An estimated 400 people named Castle 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.

Castle year by year

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

Year	Boys	Boys rank
2025	17	#5,430
2024	25	#4,218
2023	13	#6,606
2022	17	#5,474
2021	26	#4,034
2020	24	#4,163
2019	19	#4,993
2018	32	#3,460
2017	25	#4,127
2016	15	#5,829
2015	27	#3,899
2014	16	#5,519
2013	12	#6,665
2012	19	#4,893
2011	17	#5,235
2010	15	#5,784
2009	–	–
2008	–	–
2007	5	#12,666
2006	5	#12,336
2005	7	#9,275
2004	–	–
2003	6	#9,772
2002	–	–
2001	–	–
2000	6	#9,260
1995	–	–
1990	–	–
1985	–	–
1980	–	–
1975	–	–
1970	–	–
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	7	#3,536
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Castle?

The median living Castle is about 8 years old. Half of all living Castles are between 4 and 13 years old.

How many people named Castle are alive today?

An estimated 400 people named Castle are alive in the United States, based on 385 recorded births and Social Security life tables.

How popular is the name Castle in 2025?

Castle ranked #5,430 among boys' names in the United States in 2025, with 17 babies given the name, according to Social Security Administration data.

How many people are named Castle?

385 babies have been named Castle in the United States since 1916, based on Social Security card applications.

When was the name Castle most popular?

Castle peaked in 2018, when 32 newborns received the name.

Is Castle a boy or girl name?

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

Is the name Castle rising or falling?

Castle has been roughly stable over the past decade.

Castle

Castle popularity over time

The story of Castle

How old are people named Castle?

Castle year by year

Frequently asked questions

Names like Castle