How Many People Are Named Cid?
An estimated 197 people in the United States have the first name Cid. It is almost exclusively a male name. The average bearer is 31 years old, and Cid peaked in popularity in 1971 with 10 births that year.
Below you will find a full statistical profile of Cid 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 Cid paired with any surname.
Estimated Living Americans
197
About 1 in 1,739,870 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
31
years old
Peak Year
1971
10 births
Total Registered
206
since 1880
Gender Distribution for Cid
Cid is almost exclusively a male name. Out of 206 total births registered, 100.0% were male.
Cid as a male name
Ranked #12,395 in 2020
5 male births in 2020
Peak: 1971 (10 births)
Cid: Popularity Over Time
SSA records for Cid span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2010s, when 53 babies were registered. Cid has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Cid by Decade
How has Cid 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.
Cid + Last Name Combinations
How many people share a full name with Cid as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cid
Other first names starting with C with a similar number of bearers.
Cid: Questions and Answers
How many people in the U.S. are named Cid?
We estimate approximately 197 people named Cid 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 1,739,870 Americans share this first name.
Is Cid a common name?
Cid is classified as "Very Rare" and is more popular than 74% of all first names in the SSA database. A total of 206 births have been registered with this name since 1880.
When was Cid most popular?
Cid reached peak popularity in 1971, when 10 babies were given this name. The average age of a living person named Cid is approximately 31 years old, reflecting when the name was most commonly given.
Is Cid a male name?
Cid is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Cid Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cid Smith, Cid Johnson, Cid 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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