Spellings

Dylan or Dilan?

In the US in 2025, 91% of babies in this name family were spelled Dylan and 5% Dilan. Same name, slightly different impression: here are the figures for each spelling.

Dylan91% of the family6,208 born in 2025#41 among boys−40% since 2015Dilan5% of the family309 born in 2025#805 among boys+29% since 2015Dillon4% of the family253 born in 2025#929 among boys−63% since 2015Dillan<1% of the family28 born in 2025#3,848 among boys−76% since 2015Dylann<1% of the family22 born in 2025#6,838 among girls−66% since 2015

Ten years ago

Dylan already led in 2015, with 90% of the family's births; it has 91% in 2025. All spellings together, the family went from 11,389 to 6,814 births (−40%).

Births by spelling, 2015 and 2025
Spelling20152025Change
Dylan10,2986,208−40%
Dilan240309+29%
Dillon686253−63%
Dillan11828−76%
Dylann4716−66%

How they sound

All of these spellings are said the same way: /ˈdɪlən/ (DIL-un). 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: Dylan 170 births (#304 among boys) and Dilan 5 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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