Girls' name · since 1940

Sierra

Since 1940, U.S. Social Security records show 100,597 babies named Sierra, peaking in 1998. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#375 of 72,339
all-time among girls
#614 of 17,297
2025 SSA year
100,597
born since 1940
1990s
peak decade

Sierra currently ranks #614 among girls' names in America, with 100,597 babies recorded since 1940.

Sierra has 100,597 recorded births among girls since 1940, per the U.S. Social Security Administration, ranked #614 as of the latest data, more common than 96% of girls, busiest in the 1990s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1940 to 2025.

  • #375 of 72,339 all-time among girls
  • #614 of 17,297 2025 SSA year
  • 100,597 born since 1940
  • 1990s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Sierra ranks #375 of 72,339 girls' names by all-time recorded births (highest first) and #614 of 17,297 among girls' names in 2025. 100,597 born since 1940, peaking in the 1990s.

#375 of 72,339
all-time among girls
#614 of 17,297
2025 SSA year
100,597
born since 1940
1990s
peak decade
0%100%Median name50%96.4%
Sierra vs. every other girls name in current SSA rankings
Upper archive tier
All-time archive position

Sierra's 100,597 recorded births place it above 99.48% of the 72,339 girls names in the full SSA archive.

51 jurisdictions
State-record footprint

51 jurisdictions carry state-level records, led by California.

How Sierra compares

100,597 Top 3% higher than 97% of 17,297 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Sierra's all-time total is 268x the median girls name, and Olivia still leads by a wide margin.

Metric Sierra Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 100,597 376 567,345
Peak-year births 5,841 21 19,840

Sierra's usage pattern, beyond the headline number

Splitting Sierra's full recorded timeline at 1985, 98% of its total births fall in the more recent half of the record versus 2% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1947, with just 5 recorded births -- worth weighing against the 1998 peak of 5,841 to see the full range of the name's swing in popularity.

Sierra popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1940–2025

Top 1,000 girls' name
Peak year (1998)
5,841
Annual births at peak, across 86 years of records
02,0004,0006,0008,000 194019541966197719881999201020212025 476

Sierra popularity over time - boys

269 total births recorded since 1975 (Sierra as boys' name)

Unisex variant - 269 births
05101520 19751981198619901994199820022006 5

Sierra by decade

1990s is the heaviest window (43,638 births, 43% of the file).

1990s was Sierra's strongest decade.

43,638 babies received the name during that ten-year window, about 43% of all-time use.

Sierra births by decade

Total births in each ten-year window

births

What this shows Peak: 1990s at 43,638 births (43% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Sierra compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Sierra's total volume

Sierra vs 15 similarly-sized girls names Scatter plot of 16 data points. 2%4%6%8%10%12% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -144, 5.1%-111, 3.3%-132, 3.1%-119, 2.9%-131, 3.3%-146, 3.7%-130, 3.2%-77, 5.4%-146, 7.1%-141, 3.7%-139, 5.2%-29, 6.9%-90, 3.9%-82, 3.5%-90, 9.8%Sierra-86, 5.8%Sierra
Sierra vs 15 similarly-sized girls names

Sierra by state

Where Sierra concentrates geographically, total births since 1940

Geographically diffuse
Top 8 states by recorded births for the name Sierra
Rank State Visual share Births Share of total
#1 California
13,340 13.3%
#2 Texas
6,596 6.6%
#3 Florida
4,936 4.9%
#4 Ohio
4,723 4.7%
#5 Pennsylvania
4,314 4.3%
#6 New York
3,998 4.0%
#7 Michigan
3,272 3.3%
#8 North Carolina
3,074 3.1%
California share of Sierra's total US births 13.3%
Even split

13,340 of 100,597 births nationwide. Compared to a flat distribution across 51 reporting states.

Sierra appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Sierra?
Sierra has been given to 100,597 babies in the U.S. since 1940, according to SSA data. Its archive ordinal is #375 of 72,339 among girls' names (total births, highest first). Among girls in 2025, it is #614 of 17,297. 5,841 babies were born in 1998, its single highest year.
Where does Sierra sit in the SSA name archive?
According to the U.S. Social Security Administration, Sierra ranks #375 of 72,339 girls' names by all-time recorded births (highest first) and #614 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Sierra most popular?
Sierra was most popular in the 1990s decade with 43,638 total births. The single peak year was 1998.
Where is Sierra most popular?
The top states for the name Sierra are California (13,340 births), Texas (6,596 births), Florida (4,936 births).
How long has the name Sierra been used?
Records for Sierra go back to 1940, giving 86 years of history through 2025.
What names are similar to Sierra?
Names with a similar sound or spelling include Sienna, Siena, Siera, Sierrah, and 4 more. These share a common prefix and are also used for girls.

What to do with Sierra's data

  • Sierra's decade-level peak was the 1990s (43,638 total births); usage has since declined to 3,241 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Sierras (13,340 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Sierra

Nearby Names Like Sierra

Names with a similar sound, spelling, or feel to Sierra

Names with a similar popularity rank to Sierra

Nationwide names with similar peak year or record span

Two nationwide peer axes for Sierra: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1940–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Sierra draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.