Spellings

Erin or Arin?

In the US in 2025, 60% of babies in this name family were spelled Erin and 20% Arin. Same name, slightly different impression: here are the figures for each spelling.

Erin60% of the family327 born in 2025#833 among girls−66% since 2015Arin20% of the family107 born in 2025#2,035 among boys+22% since 2015Eryn8% of the family44 born in 2025#3,459 among girls−64% since 2015Aaryn7% of the family40 born in 2025#4,352 among girls−30% since 2015Aryn5% of the family30 born in 2025#4,546 among girls−21% since 2015Eirinn<1% of the family0 born in 2025

Ten years ago

Erin already led in 2015, with 78% of the family's births; it has 65% in 2025. All spellings together, the family went from 1,241 to 506 births (−59%).

Births by spelling, 2015 and 2025
Spelling20152025Change
Erin974327−66%
Arin6073+22%
Eryn12344−64%
Aaryn4632−30%
Aryn3830−21%

How they sound

All of these spellings are said the same way: /ˈɛrɪn/ (AIR-in). So the choice is about how it looks: it is the spelling people will read on a birth card, a name tag or an email address, and the one your child will sometimes spell out.

In France

In France in 2025: Erin 30 births, Arin 15 births and Eryn 20 births. The other spellings are not given there often enough to be counted.

Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.

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