How Many People Are Named Leoncio?
An estimated 489 people in the United States have the first name Leoncio. It is almost exclusively a male name. The average bearer is 32 years old, and Leoncio peaked in popularity in 2007 with 16 births that year.
Below you will find a full statistical profile of Leoncio 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 Leoncio paired with any surname.
Estimated Living Americans
489
About 1 in 700,929 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
32
years old
Peak Year
2007
16 births
Total Registered
512
since 1880
Gender Distribution for Leoncio
Leoncio is almost exclusively a male name. Out of 512 total births registered, 100.0% were male.
Leoncio as a male name
Ranked #9,484 in 2024
8 male births in 2024
Peak: 2007 (16 births)
Leoncio: Popularity Over Time
SSA records for Leoncio span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 109 babies were registered. While Leoncio is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Leoncio by Decade
How has Leoncio 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.
Leoncio by State
Birth registrations for Leoncio span all 3 states and territories in the SSA database. The highest counts are in Texas, California, New York. The lowest are in New York, California, Texas. On average, about 18 Leoncios were registered per state.
Leoncio + Last Name Combinations
How many people share a full name with Leoncio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Leoncio
Other first names starting with L with a similar number of bearers.
Leoncio: Questions and Answers
How many people in the U.S. are named Leoncio?
We estimate approximately 489 people named Leoncio 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 700,929 Americans share this first name.
Is Leoncio a common name?
Leoncio is classified as "Very Rare" and is more popular than 84.3% of all first names in the SSA database. A total of 512 births have been registered with this name since 1880.
When was Leoncio most popular?
Leoncio reached peak popularity in 2007, when 16 babies were given this name. The average age of a living person named Leoncio is approximately 32 years old, reflecting when the name was most commonly given.
Is Leoncio a male name?
Leoncio is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Leoncio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Leoncio Smith, Leoncio Johnson, Leoncio 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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