How Many People Are Named Erin Moran?
There are approximately 91 people named Erin Moran living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 3,766,531 Americans.
This estimate combines SSA birth records for the first name Erin with Census Bureau frequency data for the surname Moran. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
91
1 in 3,766,531 Americans
Combination Rarity
Rare
First Name
View full profileErin
Last Name
View full profileMoran
Erin: Popularity Over Time
Year-by-year SSA birth registrations for the first name Erin. The peak year was 1983 with 15,051 births. The average person named Erin today is 39 years old.
Ancestry of the Moran Surname
Self-reported race and ethnicity breakdown for people with the surname Moran, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Erin" has an estimated frequency of 0.0888% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Moran" appears at a rate of 30.04 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 91 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Erin
Other people with the surname Moran
Erin Moran: Questions and Answers
How many people are named Erin Moran?
We estimate approximately 91 people named Erin Moran are alive in the United States today. The first name Erin is shared by 304,342 Americans, and the surname Moran is shared by 100,902.
How rare is the name Erin Moran?
This name combination is classified as Rare, occurring at a rate of about 1 in 3,766,531 Americans. The first name Erin is common and the surname Moran is common.
Is Erin a male or female name?
Erin is predominantly female, with 2.9% of bearers being male and 97.1% female. It peaked in popularity in 1983 and the average bearer today is 39 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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