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boyandgirlnames

Dillyn

Girl name · Irish

US rank
Unranked
Syllables
2
Peak
#6,462 in 2013

0 babies were named Dillyn in the US in 2025.

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Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Dillyn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.

  • HistoryDillyn first shows up in US birth records in 1991, the first year at least 5 babies got it. It has been in use for 34 years since.
  • Best yearIts best year was 2013, when it reached #6,462.

About the name Dillyn

Dillyn is a girl name of Irish origin. It has 6 letters and 2 syllables, starting with D and ending in “-lyn”. US birth records list Dillyn for girls from 2002 to 2023, in 22 of those 22 years. Its best year was 2013, when it ranked #6,462 among girl names. It hasn't been given to 5 or more US babies in a year since 2023, so today it's a genuinely rare choice.

Origin:Irish names

Dillyn for girls, by decade
DecadeBabies per millionAbout 1 in
2000s5.3187,793 girls
2010s6.5154,799 girls
2020s4.6216,216 girls

Questions about the name Dillyn

What is the origin of the name Dillyn?

Dillyn has Irish roots in our records. Other Irish names include Abigail, Riley, Maeve.

Is Dillyn a boy or girl name?

Dillyn is a girl name.

How popular is the name Dillyn?

Dillyn is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2023. It peaked at #6,462 in 2013.