Katilyn: 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	–	–	–	–
1980s	148	15	–	#2,460
1990s	799	80	+440%	#1,553
2000s	626	63	-22%	#1,929
2010s	165	17	-74%	#4,301
2020s (to 2025)	–	–	–	–

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

1950s

–

1960s

–

1970s

–

1980s

148

–

#2,460

1990s

799

+440%

#1,553

2000s

626

-22%

#1,929

2010s

165

-74%

#4,301

2020s (to 2025)

–

The story of Katilyn

Katilyn is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1980, 1,738 American babies have been named Katilyn. Its peak came in 1998, when 101 newborns received the name, the signature sound of the 1990s.

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

How old are people named Katilyn?

The median living Katilyn is about 26 years old; half are between 21 and 31. An estimated 1,700 people named Katilyn 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.

Katilyn year by year

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

Year	Girls	Girls rank
2025	–	–
2024	–	–
2023	–	–
2022	–	–
2021	–	–
2020	–	–
2019	6	#14,673
2018	5	#16,875
2017	6	#15,015
2016	–	–
2015	22	#5,934
2014	13	#8,719
2013	26	#5,214
2012	19	#6,732
2011	34	#4,301
2010	34	#4,355
2009	38	#4,058
2008	45	#3,616
2007	60	#2,974
2006	58	#2,953
2005	48	#3,235
2004	68	#2,496
2003	71	#2,356
2002	64	#2,482
2001	86	#1,986
2000	88	#1,929
1995	98	#1,553
1990	45	#2,624
1985	11	#6,233
1980	6	#9,635
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 Katilyn, drawn from the same Social Security data as the charts above.

How old is the average Katilyn?

The median living Katilyn is about 26 years old. Half of all living Katilyns are between 21 and 31 years old.

How many people named Katilyn are alive today?

An estimated 1,700 people named Katilyn are alive in the United States, based on 1,738 recorded births and Social Security life tables.

How popular is the name Katilyn in 2025?

Katilyn did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Katilyn?

1,738 babies have been named Katilyn in the United States since 1980, based on Social Security card applications.

When was the name Katilyn most popular?

Katilyn peaked in 1998, when 101 newborns received the name.

Is Katilyn a boy or girl name?

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

Is the name Katilyn rising or falling?

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

Katilyn

Katilyn popularity over time

The story of Katilyn

How old are people named Katilyn?

Katilyn year by year

Frequently asked questions

Names like Katilyn