Recorded 1942–2009 Girls' name Peak 1958 1,395 births

Cyndy — girls' name

1,395 babies named Cyndy in U.S. Social Security records since 1942, with the highest year being 1958. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s721950s4181960s4041970s1171980s1241990s1642000s96
1950s
Peak decade

30% of everyone ever named Cyndy was born in this single decade.

1958
Single peak year

91 babies were named Cyndy in 1958 — its busiest year on record.

What the Data Says About Cyndy

The Social Security Administration has registered 1,395 babies named Cyndy between 1942 and 2009, spanning 68 consecutive years of U.S. birth records. As a girl's name, Cyndy currently falls outside the top 1,000 girls' names for 2009. The name reached its historical peak in 1958, when 91 babies received it in a single year.

Decade-level aggregation shows that Cyndy performed strongest in the 1950s, accumulating 418 births during that ten-year window. Across the 7 decades of recorded activity, Cyndy shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 198 births — the largest state-level total in the dataset — followed by Texas and Washington. In total, SSA state-level files list Cyndy in 9 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Cyndy 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 1,395 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.

Cyndy at a glance

Last recorded 2009

Total births

1,395

Since 1942

68 years of records

Peak year

1958

91 births that year

Strongest decade: 1950s

Current rank

Unranked

Outside the modern top-1,000

As of 2009

Active since

1942

Recorded for 68 years

Last year on file: 2009

Cyndy popularity over time

Annual U.S. births registered with the Social Security Administration · 2009–1942

Last recorded 2009
Peak year (1958)
91
Annual births at peak — across 68 years of records
020406080100 200920001992198419761968196019521942 5

Cyndy by decade

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

Peak: 1950s
Peak decade
1950s
418 births that decade — 30% of Cyndy's all-time total
1940s721950s4181960s4041970s1171980s1241990s1642000s96

Cyndy by state

Where Cyndy concentrates geographically — total births since 1942

Geographically diffuse
Top 8 states by recorded births for the name Cyndy
Rank State Visual share Births Share of total
#1 California
198 14.2%
#2 Texas
60 4.3%
#3 Washington
22 1.6%
#4 Pennsylvania
14 1.0%
#5 Ohio
7 0.5%
#6 Indiana
6 0.4%
#7 New York
6 0.4%
#8 Illinois
5 0.4%
California share of Cyndy's total US births 14.2%
Even split

198 of 1,395 births nationwide. Compared to a flat distribution across 9 reporting states.

Cyndy appears in 9 states. Explore state details →

Frequently Asked Questions

How popular is the name Cyndy?
1,395 babies have been named Cyndy since 1942. It was last recorded in 2009. The peak year was 1958 with 91 births.
When was Cyndy most popular?
Cyndy was most popular in the 1950s decade with 418 total births. The single peak year was 1958.
Where is Cyndy most popular?
The top states for the name Cyndy are California (198 births), Texas (60 births), Washington (22 births).
How long has the name Cyndy been used?
Cyndy has been recorded in Social Security data since 1942, spanning 68 years of data through 2009.
What names are similar to Cyndy?
Names with a similar sound or spelling include Cynthia, Cyndi, Cyndee, Cynda, and 4 more. These share a common prefix and are also used for girls.

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, 1942–2009 (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.