How Many People Are Named Calyx?
An estimated 212 people in the United States have the first name Calyx. It is used for both genders, with 79.0% male. The average bearer is 10 years old, and Calyx peaked in popularity in 2022 with 25 births that year.
Below you will find a full statistical profile of Calyx 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 Calyx paired with any surname.
Estimated Living Americans
212
About 1 in 1,616,766 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
79.0% confidence
Average Age
10
years old
Peak Year
2022
25 births
Total Registered
214
since 1880
Gender Distribution for Calyx
Calyx is a genuinely unisex name, used for both males (79.0%) and females (21.0%). Out of 214 total births registered, 169 were male and 45 were female.
Calyx as a male name
Ranked #5,682 in 2024
16 male births in 2024
Peak: 2022 (20 births)
Calyx as a female name
Ranked #15,740 in 2022
5 female births in 2022
Peak: 2014 (8 births)
Calyx: Popularity Over Time
SSA records for Calyx span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 97 babies were registered. Calyx remains highly popular today, with recent registration numbers near its historical peak.
Calyx by Decade
How has Calyx 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.
Calyx + Last Name Combinations
How many people share a full name with Calyx as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Calyx
Other first names starting with C with a similar number of bearers.
Calyx: Questions and Answers
How many people in the U.S. are named Calyx?
We estimate approximately 212 people named Calyx 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 1,616,766 Americans share this first name.
Is Calyx a common name?
Calyx is classified as "Very Rare" and is more popular than 75% of all first names in the SSA database. A total of 214 births have been registered with this name since 1880.
When was Calyx most popular?
Calyx reached peak popularity in 2022, when 25 babies were given this name. The average age of a living person named Calyx is approximately 10 years old, reflecting when the name was most commonly given.
Is Calyx a male name?
Calyx is predominantly male. 79.0% of people with this name are male. See the gender breakdown above for full details.
How many Calyx Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Calyx Smith, Calyx Johnson, Calyx 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