How Many People Are Named Cain?
An estimated 7,200 people in the United States have the first name Cain. It is almost exclusively a male name. The average bearer is 19 years old, and Cain peaked in popularity in 2014 with 330 births that year.
Below you will find a full statistical profile of Cain 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 Cain paired with any surname.
Estimated Living Americans
7,200
About 1 in 47,605 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
19
years old
Peak Year
2014
330 births
Total Registered
7,441
since 1880
Gender Distribution for Cain
Cain is almost exclusively a male name. Out of 7,441 total births registered, 100.0% were male.
Cain as a male name
Ranked #974 in 2024
230 male births in 2024
Peak: 2014 (330 births)
Cain: Popularity Over Time
SSA records for Cain span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 2010s, when 2,813 babies were registered. While Cain is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Cain by Decade
How has Cain 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.
Cain by State
Birth registrations for Cain span all 37 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in West Virginia, North Dakota, Montana. On average, about 132 Cains were registered per state.
Cain + Last Name Combinations
How many people share a full name with Cain as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cain
Other first names starting with C with a similar number of bearers.
Cain: Questions and Answers
How many people in the U.S. are named Cain?
We estimate approximately 7,200 people named Cain 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 47,605 Americans share this first name.
Is Cain a common name?
Cain is classified as "Rare" and is more popular than 97.2% of all first names in the SSA database. A total of 7,441 births have been registered with this name since 1880.
When was Cain most popular?
Cain reached peak popularity in 2014, when 330 babies were given this name. The average age of a living person named Cain is approximately 19 years old, reflecting when the name was most commonly given.
Is Cain a male name?
Cain is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Cain Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cain Smith, Cain Johnson, Cain 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
How Many of Me