How Many People Are Named Cyd?
An estimated 420 people in the United States have the first name Cyd. It is almost exclusively a female name. The average bearer is 65 years old, and Cyd peaked in popularity in 1954 with 45 births that year.
Below you will find a full statistical profile of Cyd as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Cyd paired with any surname.
Key Insights
- With an average bearer age of 65, Cyd is a vintage name most associated with earlier generations. Most living bearers were born before 1971.
Estimated Living Americans
420
About 1 in 816,082 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
65
years old
Peak Year
1954
45 births
Total Registered
556
since 1880
Gender Distribution for Cyd
Cyd is almost exclusively a female name. Out of 556 total births registered, 100.0% were female.
Cyd as a female name
Ranked #9,929 in 1977
5 female births in 1977
Peak: 1954 (45 births)
Cyd: Popularity Over Time
SSA records for Cyd span from the 1940s to the 1970s, covering 4 decades of naming data. The most popular decade for this name was the 1950s, when 256 babies were registered. Cyd has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Cyd by Decade
How has Cyd tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Cyd by State
Birth registrations for Cyd span all 5 states and territories in the SSA database. The highest counts are in California, Illinois, Texas. The lowest are in Michigan, New York, Texas. On average, about 8 Cyds were registered per state.
Cyd + Last Name Combinations
How many people share a full name with Cyd as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cyd
Other first names starting with C with a similar number of bearers.
Cyd: Questions and Answers
How many people in the U.S. are named Cyd?
We estimate approximately 420 people named Cyd are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 816,082 Americans share this first name.
Is Cyd a common name?
Cyd is classified as "Very Rare" and is more popular than 82.8% of all first names in the SSA database. A total of 556 births have been registered with this name since 1880.
When was Cyd most popular?
Cyd reached peak popularity in 1954, when 45 babies were given this name. The average age of a living person named Cyd is approximately 65 years old, reflecting when the name was most commonly given.
Is Cyd a female name?
Cyd is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cyd Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cyd Smith, Cyd Johnson, Cyd Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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