MallowbyNames

Dilynn

DIL-in · of uncertain origin; possibly a variant of Dylan or a modern invented name

2025 rank (girls)
#9,457
Babies named in 2025
10
Peak popularity
2011
2025 frequency
1 in 160,727 girls
Usually for
Girls
Trend
Declining since 2015

Declining since 2015, #9,457 for girls today.

Popularity of Dilynn since 1992

Babies named Dilynn per year in U.S. Social Security records.

142741200020102020Most births 2011GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1990s05
2000s12327
2010s2948
2020s910

Meaning & origin

First recorded in 2001, Dilynn is a modern American coinage that reached its peak popularity in 2011. By 2025, it had fallen to rank 9,457 with 1 in 160,727 births, reflecting a declining trajectory since 2015. The name has no strong historical or cultural roots, but its similarity to Dylan and the popular -lynn suffix has given it a foothold among contemporary invented names.

Dilynn is a modern invented name that first appeared in the United States in 2001. It resembles the Welsh name Dylan, which means 'son of the sea,' but the spelling with an 'i' suggests a creative variation or an attempt to feminize the name. The rise of similar-sounding names like Kailynn and Madilynn in the early 2000s may have influenced its coinage. Its usage peaked in 2011.

Nicknames & variants

Nicknames: Dilly, Dee

Variants: Dylan, Dylann, Dillan

Sibling names for Dilynn

Names that share Dilynn's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

D is for Dilynn, our favorite little girl.

D is for Dilynn…”

In a Mallowby alphabet book, Dilynn's letter becomes Dilynn's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Dilynn's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Dilynn mean?
Dilynn is a modern name of uncertain origin, often considered a variant of Dylan or a creative spelling. Its meaning is not established.
How popular is Dilynn?
Dilynn ranked 9,457 in the United States in 2025, with about 1 in every 160,727 baby girls given the name that year.
Is Dilynn a boy or girl name?
Dilynn is almost exclusively used for girls, following the trend of similar -lynn ending names.