Sianni: Name Popularity, History & Rankings (1880

Rank 2025

#1,629

among girls · ↑164 vs 2024

Babies in 2025

128

named Sianni · +13% vs 2024

How common

1 in 12,557

girls born in 2025

Peak year

2025

128 babies

All-time total

574

#10,848 all-time among girls

First recorded

1996

in Social Security records

Sianni popularity over time

574 babies have been named Sianni since 1996, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure

Births per 1,000 babies of that sex, comparable across eras

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	33	3	–	#7,178
2000s	147	15	+345%	#5,872
2010s	64	6	-56%	#8,541
2020s (to 2025)	330	55	+759%	#1,629

Where Sianni is heading

A five-year projection from the recent trend in births per 1,000 girls (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year	Projected babies	Per 1,000 girls	Implied rank
2026	165	0.10	outside top 500
2027	205	0.13	outside top 500
2028	247	0.15	outside top 500
2029	288	0.18	outside top 500
2030	330	0.21	outside top 500

Where Sianni is most popular

Girls named Sianni per 1,000 girls born in each state, 2021–2025. National average: 0.038 per 1,000. Strongest in North Carolina, Texas, and Arizona.

Vs national average

well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are girls named Sianni born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State	Girls 2021–2025	Per 1,000	vs national
North Carolina	15	0.066	+74%
Texas	42	0.052	+38%
Arizona	7	0.050	+32%
Florida	18	0.042	+11%
New York	14	0.035	-7%
Virginia	6	0.035	-7%
Georgia	7	0.031	-19%
California	25	0.030	-21%
Michigan	5	0.027	-27%
Alaska	–	–	–
Alabama	–	–	–
Arkansas	–	–	–
Colorado	–	–	–
Connecticut	–	–	–
District of Columbia	–	–	–
Delaware	–	–	–
Hawaii	–	–	–
Iowa	–	–	–
Idaho	–	–	–
Illinois	–	–	–
Indiana	–	–	–
Kansas	–	–	–
Kentucky	–	–	–
Louisiana	–	–	–
Massachusetts	–	–	–
Maryland	–	–	–
Maine	–	–	–
Minnesota	–	–	–
Missouri	–	–	–
Mississippi	–	–	–
Montana	–	–	–
North Dakota	–	–	–
Nebraska	–	–	–
New Hampshire	–	–	–
New Jersey	–	–	–
New Mexico	–	–	–
Nevada	–	–	–
Ohio	–	–	–
Oklahoma	–	–	–
Oregon	–	–	–
Pennsylvania	–	–	–
Rhode Island	–	–	–
South Carolina	–	–	–
South Dakota	–	–	–
Tennessee	–	–	–
Utah	–	–	–
Vermont	–	–	–
Washington	–	–	–
Wisconsin	–	–	–
West Virginia	–	–	–
Wyoming	–	–	–

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Sianni

Sianni is rare for girls in the United States, ranked #1,629 in 2025 with 128 babies given the name. It is currently rising compared with a decade ago.

Since 1996, 574 American babies have been named Sianni. Its peak came in 2025, when 128 newborns received the name, the signature sound of the 2020s.

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

How old are people named Sianni?

The median living Sianni is about 3 years old; half are between 1 and 19. An estimated 600 people named Sianni 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.

Sianni year by year

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

Year	Girls	Girls rank
2025	128	#1,629
2024	113	#1,793
2023	30	#4,643
2022	19	#6,433
2021	17	#6,927
2020	23	#5,469
2019	13	#8,541
2018	8	#12,331
2017	6	#15,662
2016	10	#10,745
2015	–	–
2014	5	#18,853
2013	–	–
2012	8	#13,306
2011	8	#13,188
2010	6	#16,692
2009	13	#9,324
2008	12	#9,993
2007	9	#12,533
2006	15	#8,181
2005	18	#6,781
2004	13	#8,651
2003	15	#7,533
2002	20	#5,872
2001	19	#6,037
2000	13	#7,972
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 Sianni, drawn from the same Social Security data as the charts above.

How old is the average Sianni?

The median living Sianni is about 3 years old. Half of all living Siannis are between 1 and 19 years old.

How many people named Sianni are alive today?

An estimated 600 people named Sianni are alive in the United States, based on 574 recorded births and Social Security life tables.

How popular is the name Sianni in 2025?

Sianni ranked #1,629 among girls' names in the United States in 2025, with 128 babies given the name, according to Social Security Administration data.

How many people are named Sianni?

574 babies have been named Sianni in the United States since 1996, based on Social Security card applications.

When was the name Sianni most popular?

Sianni peaked in 2025, when 128 newborns received the name.

Is Sianni a boy or girl name?

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

Is the name Sianni rising or falling?

Sianni is on the rise, noticeably more popular now than a decade ago.

Will Sianni become more popular?

Sianni is trending upward. If the recent trend holds, we project roughly 330 girls named Sianni in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Sianni

Names that sound and feel close to Sianni: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Sianni with similar names → More names starting with S →