BabyNamesTrends
Menu

2025 data, released 8 May 2026

Erin

Erin was the 833rd most popular name for girls in 2025, given to 327 babies. Its best year was 1983, when it ranked 18th with 14,836 babies. Over the last ten years it has moved down 497 places. More babies were named Erin in the 1980s than in any other decade.

Meaning Ireland (poetic name) · Irish

Say it AIR-in /ˈɛrɪn/

Rank in 2025
#833 girls, down 312 places since 2020
Babies in 2025
327girls
Girls and boys
93% girls, 7% boys2021–2025
Peak year
198314,836 babies
Total since 1880
326,053babies recorded

What does the name Erin mean?

Erin is an old poetic name for Ireland. Wiktionary explains it as an anglicization of Irish Éirinn, a case form of Éire, Ireland, and notes that Erin also personifies Ireland as a woman, in the way Britannia stands for Britain. Several North American places are named Erin in honor of Ireland. As a girls' name it has been used in the US since the 1880s and was most common around 1980.

Éirinn (Irish, “Ireland (case form of Éire)”)

How sure is this? Well established. Wiktionary only for the etymology; the 'Ireland' meaning is uncontroversial.

Related names: Eireann, Erinn, Aryn.

See also: Irish names, names from places.

Sources for this meaning

Erin popularity since 1880

05k10k15k20k 1900192019401960198020002020
GirlsBoys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Rank (boys)Babies (girls)Babies (boys)
2025#833#4,58732722
2020#521#2,94358140
2010#216#2,2701,44157
2000#61#1,3175,18598
1990#43#6557,989238
1980#20#52913,428264
1970#111#4983,480262
1960#264#1,0761,15552
1950#1,044#2,1367713
1940#1,487#3,610275
1930#3,138—9—
1920#1,677#3,970256
1910#1,673—9—
1900#1,350—9—
1890#960—9—
1880————

How popular is Erin, counting every spelling?

Erin is the most common spelling of a name family that ranked #725 for girls in 2025 once every spelling is counted together, compared with #833 for Erin on its own. Together these spellings went to 390 girls in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Erin327#8332,084
Eryn44#3,484316
Erynn19#6,185113

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Erin?

327 of the 3,606,400 babies born in the US in 2025 were named Erin (0.09 per 1,000 births). For a girl named Erin born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 26 (of 430 pupils) would have a child named Erin.

Chance of another Erin in a class of 20under 1 in 50US, born 2025
Most likely inSouth Carolinaunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Erin?

About 303,500 people born in the US named Erin are alive today, with a median age of 41; half are between 32 and 47. That makes Erin mostly worn by adults in their thirties to fifties.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Erin by state

How common Erin was among girls born in each state in 2021–2025. It is notably more common than nationally in South Carolina (1.9×), Massachusetts (1.7×), Louisiana (1.6×), Georgia (1.5×). It is least common, relative to the national rate, in Iowa, Oregon, Utah.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: 0.29 per 1,000 babiesWI0.29Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.21 per 1,000 babiesWA0.21Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: 0.22 per 1,000 babiesMN0.22Illinois: 0.36 per 1,000 babiesIL0.36Michigan: 0.37 per 1,000 babiesMI0.37New York: 0.33 per 1,000 babiesNY0.33Massachusetts: 0.43 per 1,000 babiesMA0.43Oregon: 0.09 per 1,000 babiesOR0.09Nevada: 0.24 per 1,000 babiesNV0.24Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: 0.09 per 1,000 babiesIA0.09Indiana: 0.28 per 1,000 babiesIN0.28Ohio: 0.26 per 1,000 babiesOH0.26Pennsylvania: 0.36 per 1,000 babiesPA0.36New Jersey: 0.34 per 1,000 babiesNJ0.34Connecticut: 0.36 per 1,000 babiesCT0.36Rhode Island: fewer than 5 a yearRI–California: 0.26 per 1,000 babiesCA0.26Utah: 0.12 per 1,000 babiesUT0.12Colorado: 0.27 per 1,000 babiesCO0.27Nebraska: 0.14 per 1,000 babiesNE0.14Missouri: 0.26 per 1,000 babiesMO0.26Kentucky: 0.25 per 1,000 babiesKY0.25West Virginia: 0.19 per 1,000 babiesWV0.19Virginia: 0.36 per 1,000 babiesVA0.36Maryland: 0.38 per 1,000 babiesMD0.38Delaware: fewer than 5 a yearDE–Arizona: 0.14 per 1,000 babiesAZ0.14New Mexico: 0.25 per 1,000 babiesNM0.25Kansas: 0.24 per 1,000 babiesKS0.24Arkansas: 0.38 per 1,000 babiesAR0.38Tennessee: 0.34 per 1,000 babiesTN0.34North Carolina: 0.36 per 1,000 babiesNC0.36South Carolina: 0.49 per 1,000 babiesSC0.49District of Columbia: fewer than 5 a yearDC–Oklahoma: 0.30 per 1,000 babiesOK0.30Louisiana: 0.40 per 1,000 babiesLA0.40Mississippi: 0.21 per 1,000 babiesMS0.21Alabama: 0.28 per 1,000 babiesAL0.28Georgia: 0.39 per 1,000 babiesGA0.39Hawaii: fewer than 5 a yearHI–Texas: 0.27 per 1,000 babiesTX0.27Florida: 0.24 per 1,000 babiesFL0.24
Babies per 1,000 of the same sex, Erin, girls, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Erin: their share of US girls followed the most similar curve since 1880. If you like Erin, they share its era and feel.

Middle names for Erin · Sibling names for Erin

Questions about the name Erin

What does Erin mean?

Erin means “Ireland (poetic name)” (Irish origin). Certainty: well established.

How popular is the name Erin?

Erin was the 833rd most popular name for girls in 2025, given to 327 babies. Its best year was 1983, when it ranked 18th with 14,836 babies. Over the last ten years it has moved down 497 places. More babies were named Erin in the 1980s than in any other decade.

Is Erin a boy or girl name?

In 2021–2025, 93% girls, 7% boys given the name Erin in the US.

Where is Erin most popular?

In 2021–2025, Erin was most common in South Carolina (0.49 per 1,000 girls), followed by Massachusetts and Louisiana.