US rank #8997 Girls' name Peak 1979 2,763 births

Sindy — #8997 US girls' name

2,763 babies named Sindy in U.S. Social Security records since 1921, with the highest year being 1979. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1920s61940s111950s3631960s4011970s3241980s3541990s5232000s5352010s1912020s55
#8997
of 17,661 girls in use

More common than 49% of names given to girls today.

2000s
Peak decade

19% of everyone ever named Sindy was born in this single decade.

1979
Single peak year

88 babies were named Sindy in 1979 — its busiest year on record.

What the Data Says About Sindy

The Social Security Administration has registered 2,763 babies named Sindy between 1921 and 2024, spanning 104 consecutive years of U.S. birth records. As a girl's name, Sindy currently holds the #8997 rank among girls for 2024. The name reached its historical peak in 1979, when 88 babies received it in a single year.

Decade-level aggregation shows that Sindy performed strongest in the 2000s, accumulating 535 births during that ten-year window. Across the 10 decades of recorded activity, Sindy shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 514 births — the largest state-level total in the dataset — followed by New York and Texas. In total, SSA state-level files list Sindy in 14 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sindy in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 2,763 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Sindy at a glance

Outside the top 1,000

Total births

2,763

Since 1921

104 years of records

Peak year

1979

88 births that year

Strongest decade: 2000s

Current rank

#8,997

Among girls

As of 2024

Active since

1921

Recorded for 104 years

Last year on file: 2024

Sindy popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1921

Outside the top 1,000
Peak year (1979)
88
Annual births at peak — across 104 years of records
020406080100 202420142004199419841974196419541921 6

Sindy by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2000s
Peak decade
2000s
535 births that decade — 19% of Sindy's all-time total
1920s61940s111950s3631960s4011970s3241980s3541990s5232000s5352010s1912020s55

Sindy by state

Where Sindy concentrates geographically — total births since 1921

Geographically diffuse
Top 8 states by recorded births for the name Sindy
Rank State Visual share Births Share of total
#1 California
514 18.6%
#2 New York
259 9.4%
#3 Texas
188 6.8%
#4 New Jersey
25 0.9%
#5 Florida
22 0.8%
#6 Illinois
18 0.7%
#7 Washington
10 0.4%
#8 Michigan
6 0.2%
California share of Sindy's total US births 18.6%
Even split

514 of 2,763 births nationwide. Compared to a flat distribution across 14 reporting states.

Sindy appears in 14 states. Explore state details →

Frequently Asked Questions

How popular is the name Sindy?
2,763 babies have been named Sindy since 1921. It currently ranks #8997 among girls. The peak year was 1979 with 88 births.
When was Sindy most popular?
Sindy was most popular in the 2000s decade with 535 total births. The single peak year was 1979.
Where is Sindy most popular?
The top states for the name Sindy are California (514 births), New York (259 births), Texas (188 births).
How long has the name Sindy been used?
Sindy has been recorded in Social Security data since 1921, spanning 104 years of data through 2024.
What names are similar to Sindy?
Names with a similar sound or spelling include Sinai, Sina, Sincere, Sinead, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Sindy

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1921–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.