How Many People Are Named Cayley?
An estimated 1,181 people in the United States have the first name Cayley. It is almost exclusively a female name. The average bearer is 24 years old, and Cayley peaked in popularity in 1998 with 75 births that year.
Below you will find a full statistical profile of Cayley 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 Cayley paired with any surname.
Estimated Living Americans
1,181
About 1 in 290,224 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
24
years old
Peak Year
1998
75 births
Total Registered
1,206
since 1880
Gender Distribution for Cayley
Cayley is almost exclusively a female name. Out of 1,206 total births registered, 100.0% were female.
Cayley as a female name
Ranked #15,696 in 2024
5 female births in 2024
Peak: 1998 (75 births)
Cayley: Popularity Over Time
SSA records for Cayley span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 482 babies were registered. Cayley has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Cayley by Decade
How has Cayley 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.
Cayley by State
Birth registrations for Cayley span all 9 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in North Carolina, Michigan, Georgia. On average, about 20 Cayleys were registered per state.
Cayley + Last Name Combinations
How many people share a full name with Cayley as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Cayley
Other first names starting with C with a similar number of bearers.
Cayley: Questions and Answers
How many people in the U.S. are named Cayley?
We estimate approximately 1,181 people named Cayley 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 290,224 Americans share this first name.
Is Cayley a common name?
Cayley is classified as "Rare" and is more popular than 91.2% of all first names in the SSA database. A total of 1,206 births have been registered with this name since 1880.
When was Cayley most popular?
Cayley reached peak popularity in 1998, when 75 babies were given this name. The average age of a living person named Cayley is approximately 24 years old, reflecting when the name was most commonly given.
Is Cayley a female name?
Cayley is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Cayley Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Cayley Smith, Cayley Johnson, Cayley 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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