Total births
556
Girls' name · since 1947
Cyd
Since 1947, U.S. Social Security records show 556 babies named Cyd, peaking in 1954. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 556
- total births
- 1947–1977
- years on record
- 1950s
- peak decade
- 46%
- born in that decade
Cyd sits outside today's top ranks for girls, with 556 recorded since 1947.
Social Security Administration records show Cyd recorded 556 times among girls since 1947, though it doesn't currently rank among the most-used girls names, peaking in the 1950s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1947 to 1977.
- 556 total births
- 1947–1977 years on record
- 1950s peak decade
- 46% born in that decade
Data updated Jun 2026
The verdict
556 girls have been named Cyd since 1947, peaking in the 1950s, last recorded in 1977.
- 556
- total births
- 1947–1977
- years on record
- 1950s
- peak decade
- 46%
- born in that decade
1950s
Peak decade
46% of everyone ever named Cyd was born in this single decade.
1954
Single peak year
45 babies were named Cyd in 1954 - its busiest year on record.
Cyd's usage pattern, beyond the headline number
Divide Cyd's SSA record in two at 1961 and the more recent half accounts for 43% of all births, the earlier half the remaining 57%, a genuinely balanced usage pattern. Its calmest year was 1977, with only 5 births recorded -- set against the 1954 peak of 45, that's the full swing in one name's fortunes.
Cyd at a glance
Last recorded 1977Peak year
1954
Current rank
Unranked
Active since
1947
Cyd popularity over time
Annual U.S. births registered with the Social Security Administration · 1947–1977
- Peak year (1954)
- 45
- Annual births at peak, across 31 years of records
Cyd by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Cyd's strongest decade.
256 babies received the name during that ten-year window, about 46% of all-time use.
Cyd births by decade
Total births in each ten-year window
- 1940s 34
1940s
34 births
- 1950s
1950s
256 births
- 1960s
1960s
207 births
- 1970s 59
1970s
59 births
What this shows Peak: 1950s at 256 births (46% of all-time use).
How Cyd 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 Cyd's total volume
Cyd vs 15 similarly-sized girls names
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% |
California share of Cyd's total US births 2.0%
Even split
11 of 556 births nationwide. Compared to a flat distribution across 5 reporting states.
Frequently Asked Questions
How popular is the name Cyd? ▼
556 babies have been named Cyd since 1947. It was last recorded in 1977. The peak year was 1954 with 45 births.
When was Cyd most popular? ▼
Cyd was most popular in the 1950s decade with 256 total births. The single peak year was 1954.
Where is Cyd most popular? ▼
The top states for the name Cyd are California (11 births), Illinois (10 births), Texas (10 births).
How long has the name Cyd been used? ▼
Cyd has been recorded in Social Security data since 1947, spanning 31 years of data through 1977.
What names are similar to Cyd? ▼
Names with a similar sound or spelling include Cydney, Cydnee, Cydni, Cydnie, and 3 more. These share a common prefix and are also used for girls.
What to do with Cyd's data
- Cyd's decade-level peak was the 1950s (256 total births); usage has since declined to 59 in the 1970s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Cyds (11 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Cyd
Nearby Names Like Cyd
Names with a similar sound, spelling, or feel to Cyd
Cydney Girl
#7658 5,145 births
Cydnee Girl
953 births
Cydni Girl
590 births
Cydnie Girl
385 births
Cydne Girl
210 births
Compare Cyd side by side: Cyd vs Cydney Cyd vs Cydnee Cyd vs Cydni
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1947–1977 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cyd: Baby Name Since 1947 - 556 Births, Peak 1954." NameAlmanac. Accessed via https://namealmanac.com/name/cyd. Licensed CC BY-SA 4.0.
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 Cyd 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 June 2026.