Siera: 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	346	35	–	#1,585
1990s	1,246	125	+260%	#1,207
2000s	799	80	-36%	#1,515
2010s	123	12	-85%	#5,088
2020s (to 2025)	29	5	-61%	#12,010

Decade

Girls

Per year

Change

Best rank

1880s

–

1890s

–

1900s

–

1910s

–

1920s

–

1930s

–

1940s

–

1950s

–

1960s

–

1970s

–

1980s

346

–

#1,585

1990s

1,246

125

+260%

#1,207

2000s

799

-36%

#1,515

2010s

123

-85%

#5,088

2020s (to 2025)

-61%

#12,010

The story of Siera

Siera is rare for girls in the United States, ranked #12,990 in 2025 with 7 babies given the name. It is currently declining compared with a decade ago.

Since 1983, 2,543 American babies have been named Siera. Its peak came in 1998, when 150 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 Siera stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Siera?

The median living Siera is about 28 years old; half are between 23 and 33. An estimated 2,500 people named Siera 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.

Siera year by year

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

Year	Girls	Girls rank
2025	7	#12,990
2024	8	#12,010
2023	–	–
2022	8	#12,096
2021	–	–
2020	6	#14,863
2019	–	–
2018	8	#12,334
2017	10	#10,595
2016	8	#12,734
2015	–	–
2014	17	#7,259
2013	16	#7,701
2012	16	#7,754
2011	20	#6,529
2010	28	#5,088
2009	22	#6,285
2008	53	#3,215
2007	48	#3,474
2006	81	#2,346
2005	77	#2,339
2004	87	#2,098
2003	86	#2,083
2002	110	#1,681
2001	114	#1,618
2000	121	#1,515
1995	114	#1,431
1990	94	#1,603
1985	46	#2,250
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 Siera, drawn from the same Social Security data as the charts above.

How old is the average Siera?

The median living Siera is about 28 years old. Half of all living Sieras are between 23 and 33 years old.

How many people named Siera are alive today?

An estimated 2,500 people named Siera are alive in the United States, based on 2,543 recorded births and Social Security life tables.

What does the name Siera mean?

Spelling variant of Sierra.

How popular is the name Siera in 2025?

Siera ranked #12,990 among girls' names in the United States in 2025, with 7 babies given the name, according to Social Security Administration data.

How many people are named Siera?

2,543 babies have been named Siera in the United States since 1983, based on Social Security card applications.

When was the name Siera most popular?

Siera peaked in 1998, when 150 newborns received the name.

Is Siera a boy or girl name?

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

Is the name Siera rising or falling?

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

Siera

Siera popularity over time

The story of Siera

How old are people named Siera?

Siera year by year

Frequently asked questions

Names like Siera