How Many People Are Named Leidy?
An estimated 835 people in the United States have the first name Leidy. It is almost exclusively a female name. The average bearer is 17 years old, and Leidy peaked in popularity in 2006 with 50 births that year.
Below you will find a full statistical profile of Leidy 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 Leidy paired with any surname.
Estimated Living Americans
835
About 1 in 410,484 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2006
50 births
Total Registered
848
since 1880
Gender Distribution for Leidy
Leidy is almost exclusively a female name. Out of 848 total births registered, 100.0% were female.
Leidy as a female name
Ranked #4,711 in 2024
29 female births in 2024
Peak: 2006 (50 births)
Leidy: Popularity Over Time
SSA records for Leidy span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2000s, when 308 babies were registered. While Leidy is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Leidy by Decade
How has Leidy 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.
Leidy by State
Birth registrations for Leidy span all 5 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in New Jersey, New York, Florida. On average, about 40 Leidys were registered per state.
Leidy + Last Name Combinations
How many people share a full name with Leidy as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Leidy
Other first names starting with L with a similar number of bearers.
Leidy: Questions and Answers
How many people in the U.S. are named Leidy?
We estimate approximately 835 people named Leidy 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 410,484 Americans share this first name.
Is Leidy a common name?
Leidy is classified as "Very Rare" and is more popular than 88.9% of all first names in the SSA database. A total of 848 births have been registered with this name since 1880.
When was Leidy most popular?
Leidy reached peak popularity in 2006, when 50 babies were given this name. The average age of a living person named Leidy is approximately 17 years old, reflecting when the name was most commonly given.
Is Leidy a female name?
Leidy is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Leidy Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Leidy Smith, Leidy Johnson, Leidy 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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