Lilou: 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	–	–	–	–
1990s	–	–	–	–
2000s	33	3	–	#11,147
2010s	223	22	+576%	#3,748
2020s (to 2025)	106	18	-21%	#5,337

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

1950s

–

1960s

–

1970s

–

1980s

–

1990s

–

2000s

–

#11,147

2010s

223

+576%

#3,748

2020s (to 2025)

106

-21%

#5,337

The story of Lilou

Lilou is rare for girls in the United States, ranked #7,349 in 2025 with 15 babies given the name. It is currently declining compared with a decade ago.

Since 2002, 362 American babies have been named Lilou. Its peak came in 2016, when 41 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 Lilou stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Lilou?

The median living Lilou is about 8 years old; half are between 4 and 12. An estimated 400 people named Lilou 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.

Lilou year by year

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

Year	Girls	Girls rank
2025	15	#7,349
2024	12	#8,740
2023	20	#6,084
2022	21	#5,888
2021	24	#5,337
2020	14	#7,790
2019	19	#6,313
2018	28	#4,838
2017	37	#4,042
2016	41	#3,748
2015	22	#5,947
2014	17	#7,182
2013	21	#6,151
2012	17	#7,326
2011	11	#10,130
2010	10	#10,897
2009	10	#11,147
2008	7	#14,729
2007	6	#16,719
2006	5	#18,871
2005	–	–
2004	–	–
2003	–	–
2002	5	#17,028
2001	–	–
2000	–	–
1995	–	–
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 Lilou, drawn from the same Social Security data as the charts above.

How old is the average Lilou?

The median living Lilou is about 8 years old. Half of all living Lilous are between 4 and 12 years old.

How many people named Lilou are alive today?

An estimated 400 people named Lilou are alive in the United States, based on 362 recorded births and Social Security life tables.

What does the name Lilou mean?

Lilou is a French feminine given name.

How popular is the name Lilou in 2025?

Lilou ranked #7,349 among girls' names in the United States in 2025, with 15 babies given the name, according to Social Security Administration data.

How many people are named Lilou?

362 babies have been named Lilou in the United States since 2002, based on Social Security card applications.

When was the name Lilou most popular?

Lilou peaked in 2016, when 41 newborns received the name.

Is Lilou a boy or girl name?

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

Is the name Lilou rising or falling?

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

Lilou

Lilou popularity over time

The story of Lilou

How old are people named Lilou?

Lilou year by year

Frequently asked questions

Names like Lilou