Jilliann: 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	11	1	–	#8,906
1980s	98	10	+791%	#5,173
1990s	72	7	-27%	#6,820
2000s	113	11	+57%	#6,324
2010s	44	4	-61%	#8,866
2020s (to 2025)	–	–	–	–

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

1950s

–

1960s

–

1970s

–

#8,906

1980s

+791%

#5,173

1990s

-27%

#6,820

2000s

113

+57%

#6,324

2010s

-61%

#8,866

2020s (to 2025)

–

The story of Jilliann

Jilliann 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 1977, 338 American babies have been named Jilliann. Its peak came in 2000, when 17 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 Jilliann stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Jilliann?

The median living Jilliann is about 27 years old; half are between 20 and 37. An estimated 300 people named Jilliann 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.

Jilliann 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	–	–
2018	–	–
2017	–	–
2016	6	#15,175
2015	5	#17,678
2014	–	–
2013	8	#12,525
2012	–	–
2011	13	#8,866
2010	12	#9,479
2009	11	#10,290
2008	–	–
2007	8	#13,224
2006	13	#8,953
2005	9	#11,310
2004	14	#8,004
2003	13	#8,212
2002	13	#8,025
2001	15	#7,111
2000	17	#6,324
1995	7	#11,025
1990	5	#13,914
1985	14	#5,173
1980	7	#8,522
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 Jilliann, drawn from the same Social Security data as the charts above.

How old is the average Jilliann?

The median living Jilliann is about 27 years old. Half of all living Jillianns are between 20 and 37 years old.

How many people named Jilliann are alive today?

An estimated 300 people named Jilliann are alive in the United States, based on 338 recorded births and Social Security life tables.

What does the name Jilliann mean?

Spelling variant of Jillian.

How popular is the name Jilliann in 2025?

Jilliann 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 Jilliann?

338 babies have been named Jilliann in the United States since 1977, based on Social Security card applications.

When was the name Jilliann most popular?

Jilliann peaked in 2000, when 17 newborns received the name.

Is Jilliann a boy or girl name?

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

Is the name Jilliann rising or falling?

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

Jilliann

Jilliann popularity over time

The story of Jilliann

How old are people named Jilliann?

Jilliann year by year

Frequently asked questions

Names like Jilliann