How Many People Are Named Sybil?
An estimated 7,286 people in the United States have the first name Sybil. It is almost exclusively a female name. The average bearer is 55 years old, and Sybil peaked in popularity in 1921 with 541 births that year.
Below you will find a full statistical profile of Sybil 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 Sybil paired with any surname.
Estimated Living Americans
7,286
About 1 in 47,043 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
55
years old
Peak Year
1921
541 births
Total Registered
20,212
since 1880
Gender Distribution for Sybil
Sybil is almost exclusively a female name. Out of 20,212 total births registered, 100.0% were female.
Sybil as a male name
Ranked #4,875 in 1924
5 male births in 1924
Peak: 1924 (5 births)
Sybil as a female name
Ranked #1,564 in 2024
136 female births in 2024
Peak: 1921 (541 births)
Sybil: Popularity Over Time
SSA records for Sybil span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 4,442 babies were registered. Sybil has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Sybil by Decade
How has Sybil 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.
Sybil by State
Birth registrations for Sybil span all 42 states and territories in the SSA database. The highest counts are in Texas, North Carolina, Georgia. The lowest are in Connecticut, Arizona, New Mexico. On average, about 346 Sybils were registered per state.
Sybil + Last Name Combinations
How many people share a full name with Sybil as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sybil
Other first names starting with S with a similar number of bearers.
Sybil: Questions and Answers
How many people in the U.S. are named Sybil?
We estimate approximately 7,286 people named Sybil 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 47,043 Americans share this first name.
Is Sybil a common name?
Sybil is classified as "Rare" and is more popular than 97.2% of all first names in the SSA database. A total of 20,212 births have been registered with this name since 1880.
When was Sybil most popular?
Sybil reached peak popularity in 1921, when 541 babies were given this name. The average age of a living person named Sybil is approximately 55 years old, reflecting when the name was most commonly given.
Is Sybil a female name?
Sybil is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Sybil Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sybil Smith, Sybil Johnson, Sybil 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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