Sydni: 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	5	1	–	#6,030
1950s	–	–	–	–
1960s	9	1	–	#4,815
1970s	18	2	+100%	#7,271
1980s	217	22	+1106%	#2,022
1990s	1,946	195	+797%	#611
2000s	2,503	250	+29%	#559
2010s	575	58	-77%	#1,937
2020s (to 2025)	88	15	-74%	#4,745

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

#6,030

1950s

–

1960s

–

#4,815

1970s

+100%

#7,271

1980s

217

+1106%

#2,022

1990s

1,946

195

+797%

#611

2000s

2,503

250

+29%

#559

2010s

575

-77%

#1,937

2020s (to 2025)

-74%

#4,745

The story of Sydni

Sydni is rare for girls in the United States, ranked #11,816 in 2025 with 8 babies given the name. It is currently declining compared with a decade ago.

Since 1947, 5,361 American babies have been named Sydni. Its peak came in 2000, when 468 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 Sydni stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Sydni?

The median living Sydni is about 24 years old; half are between 20 and 28. An estimated 5,300 people named Sydni 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.

Sydni year by year

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

Year	Girls	Girls rank
2025	8	#11,816
2024	15	#7,557
2023	5	#17,347
2022	16	#7,251
2021	16	#7,224
2020	28	#4,745
2019	31	#4,531
2018	33	#4,345
2017	45	#3,474
2016	40	#3,845
2015	42	#3,695
2014	71	#2,533
2013	53	#3,119
2012	71	#2,563
2011	85	#2,236
2010	104	#1,937
2009	109	#1,931
2008	130	#1,715
2007	129	#1,702
2006	176	#1,330
2005	200	#1,161
2004	247	#971
2003	314	#787
2002	331	#738
2001	399	#630
2000	468	#559
1995	242	#815
1990	89	#1,668
1985	19	#4,268
1980	–	–
1975	6	#8,905
1970	5	#9,158
1965	–	–
1960	–	–
1955	–	–
1950	–	–
1945	–	–
1940	–	–
1935	–	–
1930	–	–
1925	–	–
1920	–	–
1915	–	–
1910	–	–
1905	–	–
1900	–	–
1895	–	–
1890	–	–
1885	–	–
1880	–	–

Frequently asked questions

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

How old is the average Sydni?

The median living Sydni is about 24 years old. Half of all living Sydnis are between 20 and 28 years old.

How many people named Sydni are alive today?

An estimated 5,300 people named Sydni are alive in the United States, based on 5,361 recorded births and Social Security life tables.

How popular is the name Sydni in 2025?

Sydni ranked #11,816 among girls' names in the United States in 2025, with 8 babies given the name, according to Social Security Administration data.

How many people are named Sydni?

5,361 babies have been named Sydni in the United States since 1947, based on Social Security card applications.

When was the name Sydni most popular?

Sydni peaked in 2000, when 468 newborns received the name.

Is Sydni a boy or girl name?

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

Is the name Sydni rising or falling?

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

Sydni

Sydni popularity over time

The story of Sydni

How old are people named Sydni?

Sydni year by year

Frequently asked questions

Names like Sydni