How Many People Are Named Erinn?
An estimated 3,348 people in the United States have the first name Erinn. It is predominantly female (96.0%). The average bearer is 39 years old, and Erinn peaked in popularity in 1990 with 164 births that year.
Below you will find a full statistical profile of Erinn 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 Erinn paired with any surname.
Key Insights
- While Erinn is overwhelmingly female, 143 male births have been registered with this name since 1880.
Estimated Living Americans
3,348
About 1 in 102,376 people in the U.S.
Rarity
Rare
Predicted Gender
Female
96.0% confidence
Average Age
39
years old
Peak Year
1990
164 births
Total Registered
3,561
since 1880
Gender Distribution for Erinn
Erinn is predominantly female (96.0%), though 143 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Erinn as a male name
Ranked #8,123 in 1999
7 male births in 1999
Peak: 1970 (16 births)
Erinn as a female name
Ranked #10,525 in 2020
9 female births in 2020
Peak: 1990 (156 births)
Erinn: Popularity Over Time
SSA records for Erinn span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1980s, when 1,090 babies were registered. Erinn has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Erinn by Decade
How has Erinn 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.
Erinn by State
Birth registrations for Erinn span all 22 states and territories in the SSA database. The highest counts are in California, New York, Pennsylvania. The lowest are in Missouri, Louisiana, Connecticut. On average, about 65 Erinns were registered per state.
Erinn + Last Name Combinations
How many people share a full name with Erinn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Erinn
Other first names starting with E with a similar number of bearers.
Erinn: Questions and Answers
How many people in the U.S. are named Erinn?
We estimate approximately 3,348 people named Erinn 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 102,376 Americans share this first name.
Is Erinn a common name?
Erinn is classified as "Rare" and is more popular than 95.5% of all first names in the SSA database. A total of 3,561 births have been registered with this name since 1880.
When was Erinn most popular?
Erinn reached peak popularity in 1990, when 164 babies were given this name. The average age of a living person named Erinn is approximately 39 years old, reflecting when the name was most commonly given.
Is Erinn a female name?
Erinn is predominantly female. 96.0% of people with this name are female. See the gender breakdown above for full details.
How many Erinn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Erinn Smith, Erinn Johnson, Erinn 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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