How Many People Are Named Jacy?
An estimated 4,005 people in the United States have the first name Jacy. It is used for both genders, with 81.8% female. The average bearer is 29 years old, and Jacy peaked in popularity in 2000 with 168 births that year.
Below you will find a full statistical profile of Jacy 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 Jacy paired with any surname.
Estimated Living Americans
4,005
About 1 in 85,582 people in the U.S.
Rarity
Rare
Predicted Gender
Female
81.8% confidence
Average Age
29
years old
Peak Year
2000
168 births
Total Registered
4,158
since 1880
Gender Distribution for Jacy
Jacy is predominantly female (81.8%), though 756 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Jacy as a male name
Ranked #9,329 in 2024
8 male births in 2024
Peak: 2000 (28 births)
Jacy as a female name
Ranked #6,234 in 2024
19 female births in 2024
Peak: 1992 (149 births)
Jacy: Popularity Over Time
SSA records for Jacy span from the 1910s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 1,219 babies were registered. Jacy has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Jacy by Decade
How has Jacy 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.
Jacy by State
Birth registrations for Jacy span all 26 states and territories in the SSA database. The highest counts are in Texas, California, Oklahoma. The lowest are in Wisconsin, New York, Nebraska. On average, about 41 Jacys were registered per state.
Jacy + Last Name Combinations
How many people share a full name with Jacy as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Jacy
Other first names starting with J with a similar number of bearers.
Jacy: Questions and Answers
How many people in the U.S. are named Jacy?
We estimate approximately 4,005 people named Jacy 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 85,582 Americans share this first name.
Is Jacy a common name?
Jacy is classified as "Rare" and is more popular than 96% of all first names in the SSA database. A total of 4,158 births have been registered with this name since 1880.
When was Jacy most popular?
Jacy reached peak popularity in 2000, when 168 babies were given this name. The average age of a living person named Jacy is approximately 29 years old, reflecting when the name was most commonly given.
Is Jacy a female name?
Jacy is predominantly female. 81.8% of people with this name are female. See the gender breakdown above for full details.
How many Jacy Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Jacy Smith, Jacy Johnson, Jacy 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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