How Many People Are Named Hilaria?
An estimated 395 people in the United States have the first name Hilaria. It is almost exclusively a female name. The average bearer is 48 years old, and Hilaria peaked in popularity in 1930 with 28 births that year.
Below you will find a full statistical profile of Hilaria 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 Hilaria paired with any surname.
Estimated Living Americans
395
About 1 in 867,733 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
48
years old
Peak Year
1930
28 births
Total Registered
976
since 1880
Gender Distribution for Hilaria
Hilaria is almost exclusively a female name. Out of 976 total births registered, 100.0% were female.
Hilaria as a female name
Ranked #14,070 in 2024
6 female births in 2024
Peak: 1930 (28 births)
Hilaria: Popularity Over Time
SSA records for Hilaria span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 203 babies were registered. Hilaria has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Hilaria by Decade
How has Hilaria 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.
Hilaria by State
Hilaria + Last Name Combinations
How many people share a full name with Hilaria as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hilaria
Other first names starting with H with a similar number of bearers.
Hilaria: Questions and Answers
How many people in the U.S. are named Hilaria?
We estimate approximately 395 people named Hilaria 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 867,733 Americans share this first name.
Is Hilaria a common name?
Hilaria is classified as "Very Rare" and is more popular than 82.2% of all first names in the SSA database. A total of 976 births have been registered with this name since 1880.
When was Hilaria most popular?
Hilaria reached peak popularity in 1930, when 28 babies were given this name. The average age of a living person named Hilaria is approximately 48 years old, reflecting when the name was most commonly given.
Is Hilaria a female name?
Hilaria is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Hilaria Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hilaria Smith, Hilaria Johnson, Hilaria 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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