Cyd — girls' name
556 babies named Cyd in U.S. Social Security records since 1947, with the highest year being 1954. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
46% of everyone ever named Cyd was born in this single decade.
45 babies were named Cyd in 1954 — its busiest year on record.
What the Data Says About Cyd
The Social Security Administration has registered 556 babies named Cyd between 1947 and 1977, spanning 31 consecutive years of U.S. birth records. As a girl's name, Cyd currently falls outside the top 1,000 girls' names for 1977. The name reached its historical peak in 1954, when 45 babies received it in a single year.
Decade-level aggregation shows that Cyd performed strongest in the 1950s, accumulating 256 births during that ten-year window. Across the 4 decades of recorded activity, Cyd shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 11 births — the largest state-level total in the dataset — followed by Illinois and Texas. In total, SSA state-level files list Cyd in 5 of the 51 U.S. reporting jurisdictions.
No etymological entry is currently available for Cyd 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 556 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.
Cyd at a glance
Last recorded 1977Peak year
Current rank
Active since
Cyd popularity over time
Annual U.S. births registered with the Social Security Administration · 1977–1947
- Peak year (1954)
- 45
- Annual births at peak — across 31 years of records
No longer in the modern top-1000 — last recorded 1977.
556 total births across 31 years of SSA records. Peaked in 1954 with 45 births in a single year.
Cyd by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 1950s
- 256 births that decade — 46% of Cyd's all-time total
Cyd decade highlights
- Peak decade 256 births
- Runner-up 207 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
1950s was Cyd's strongest decade
256 babies received the name during that ten-year window — about 46% of all-time use.
Cyd by state
Where Cyd concentrates geographically — total births since 1947
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 11 | 2.0% |
| #2 | Illinois | | 10 | 1.8% |
| #3 | Texas | | 10 | 1.8% |
| #4 | New York | | 6 | 1.1% |
| #5 | Michigan | | 5 | 0.9% |
11 of 556 births nationwide. Compared to a flat distribution across 5 reporting states.
Top 5 states
- California 2.0% of nationwide
- Illinois 1.8% of nationwide
- Texas 1.8% of nationwide
- New York 1.1% of nationwide
- Michigan 0.9% of nationwide
Recorded in 5 of 51 SSA jurisdictions
California accounts for 2.0% of all recorded births nationwide — a relatively diffuse profile for this name.
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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, 1947–1977 (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.