How Many People Are Named Cainan?
An estimated 979 people in the United States have the first name Cainan. It is almost exclusively a male name. The average bearer is 17 years old, and Cainan peaked in popularity in 2016 with 47 births that year.
Below you will find a full statistical profile of Cainan 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 Cainan paired with any surname.
Estimated Living Americans
979
About 1 in 350,107 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
17
years old
Peak Year
2016
47 births
Total Registered
992
since 1880
Gender Distribution for Cainan
Cainan is almost exclusively a male name. Out of 992 total births registered, 100.0% were male.
Cainan as a male name
Ranked #3,270 in 2024
36 male births in 2024
Peak: 2016 (47 births)
Cainan: Popularity Over Time
SSA records for Cainan span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 338 babies were registered. While Cainan is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Cainan by Decade
How has Cainan 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.
Cainan by State
Birth registrations for Cainan span all 5 states and territories in the SSA database. The highest counts are in Texas, California, Indiana. The lowest are in Ohio, Kentucky, Indiana. On average, about 7 Cainans were registered per state.
Cainan + Last Name Combinations
How many people share a full name with Cainan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cainan
Other first names starting with C with a similar number of bearers.
Cainan: Questions and Answers
How many people in the U.S. are named Cainan?
We estimate approximately 979 people named Cainan 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 350,107 Americans share this first name.
Is Cainan a common name?
Cainan is classified as "Very Rare" and is more popular than 90% of all first names in the SSA database. A total of 992 births have been registered with this name since 1880.
When was Cainan most popular?
Cainan reached peak popularity in 2016, when 47 babies were given this name. The average age of a living person named Cainan is approximately 17 years old, reflecting when the name was most commonly given.
Is Cainan a male name?
Cainan is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Cainan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cainan Smith, Cainan Johnson, Cainan 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.
Search for a full name combination