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How Many People Are Named Erin?
Estimated people named Erin living in the U.S. today
307,466
Gender distribution
3% male · 97% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 325,703
- Peak year: 1983 (15,051 births)
- Estimated living today: 307,466
Erin by age group — who carries the name today?
Erin popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Erin
Erin has been recorded by the Social Security Administration since the 19th century dataset began. In total, 325,703 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 307,466 bearers are still living — roughly 1 in 1,112 Americans. The name's strongest decade shapes how old most Erins you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Erin in the US?
An estimated 307,466 people named Erin are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Erin uncommon — about 1 in 1,112 Americans.
Is Erin a boy or girl name?
In SSA records, Erin is 3% male and 97% female, so it is predominantly a female name.
When was Erin most popular?
Erin peaked in 1983, when 15,051 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Erin?
Erin ranks #160 of 104,819 first names recorded by the SSA, with a rarity score of 36 out of 100 (higher means rarer).