How Many People Are Named Cass?
An estimated 1,580 people in the United States have the first name Cass. It is predominantly male (93.3%). The average bearer is 40 years old, and Cass peaked in popularity in 1989 with 43 births that year.
Below you will find a full statistical profile of Cass 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 Cass paired with any surname.
Estimated Living Americans
1,580
About 1 in 216,933 people in the U.S.
Rarity
Rare
Predicted Gender
Male
93.3% confidence
Average Age
40
years old
Peak Year
1989
43 births
Total Registered
1,974
since 1880
Gender Distribution for Cass
Cass is predominantly male (93.3%), though 133 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Cass as a male name
Ranked #5,259 in 2024
18 male births in 2024
Peak: 1989 (43 births)
Cass as a female name
Ranked #16,359 in 2017
5 female births in 2017
Peak: 1983 (10 births)
Cass: Popularity Over Time
SSA records for Cass span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1980s, when 263 babies were registered. While Cass is less common than at its peak in the 1980s, it remains a well-established name with steady registrations.
Cass by Decade
How has Cass 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.
Cass by State
Birth registrations for Cass span all 7 states and territories in the SSA database. The highest counts are in Texas, Michigan, California. The lowest are in Tennessee, Illinois, Georgia. On average, about 15 Casss were registered per state.
Cass + Last Name Combinations
How many people share a full name with Cass as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cass
Other first names starting with C with a similar number of bearers.
Cass: Questions and Answers
How many people in the U.S. are named Cass?
We estimate approximately 1,580 people named Cass 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 216,933 Americans share this first name.
Is Cass a common name?
Cass is classified as "Rare" and is more popular than 92.7% of all first names in the SSA database. A total of 1,974 births have been registered with this name since 1880.
When was Cass most popular?
Cass reached peak popularity in 1989, when 43 babies were given this name. The average age of a living person named Cass is approximately 40 years old, reflecting when the name was most commonly given.
Is Cass a male name?
Cass is predominantly male. 93.3% of people with this name are male. See the gender breakdown above for full details.
How many Cass Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cass Smith, Cass Johnson, Cass 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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