How Many People Are Named Cairo?
An estimated 8,924 people in the United States have the first name Cairo. It is predominantly male (93.9%). The average bearer is 7 years old, and Cairo peaked in popularity in 2022 with 1,157 births that year.
Below you will find a full statistical profile of Cairo 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 Cairo paired with any surname.
Key Insights
- Cairo is a modern name. With an average bearer age of just 7, it has gained most of its popularity in recent years.
Estimated Living Americans
8,924
About 1 in 38,408 people in the U.S.
Rarity
Rare
Predicted Gender
Male
93.9% confidence
Average Age
7
years old
Peak Year
2022
1,157 births
Total Registered
8,991
since 1880
Gender Distribution for Cairo
Cairo is predominantly male (93.9%), though 547 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Cairo as a male name
Ranked #355 in 2024
944 male births in 2024
Peak: 2022 (1,101 births)
Cairo as a female name
Ranked #3,965 in 2024
37 female births in 2024
Peak: 2019 (72 births)
Cairo: Popularity Over Time
SSA records for Cairo span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2020s, when 5,254 babies were registered. Cairo remains highly popular today, with recent registration numbers near its historical peak.
Cairo by Decade
How has Cairo 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.
Cairo by State
Birth registrations for Cairo span all 41 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Rhode Island, New Mexico, Nebraska. On average, about 186 Cairos were registered per state.
Cairo + Last Name Combinations
How many people share a full name with Cairo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cairo
Other first names starting with C with a similar number of bearers.
Cairo: Questions and Answers
How many people in the U.S. are named Cairo?
We estimate approximately 8,924 people named Cairo 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 38,408 Americans share this first name.
Is Cairo a common name?
Cairo is classified as "Rare" and is more popular than 97.5% of all first names in the SSA database. A total of 8,991 births have been registered with this name since 1880.
When was Cairo most popular?
Cairo reached peak popularity in 2022, when 1,157 babies were given this name. The average age of a living person named Cairo is approximately 7 years old, reflecting when the name was most commonly given.
Is Cairo a male name?
Cairo is predominantly male. 93.9% of people with this name are male. See the gender breakdown above for full details.
How many Cairo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cairo Smith, Cairo Johnson, Cairo 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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