MallowbyNames

Dalyn

DAY-lin · Of uncertain origin; possibly a modern combination of elements from names like Dale and Lynn, or a variant of Dalan.

2025 rank (boys)
#6,446
Babies named in 2025
13
Peak popularity
2002
2025 frequency
1 in 131,390 boys
Usually for
Boys
Trend
Declining since 2001

Declining since 2001, #6,446 for boys today.

Popularity of Dalyn since 1955

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

1530451960198020002020Most births 2002GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1950s60
1960s180
1970s525
1980s6129
1990s98201
2000s106389
2010s42209
2020s684

Meaning & origin

Dalyn is a modern American name that first appeared in U.S. records in 1978. It reached its peak rank of 6,446 in 2002, when it was given to an estimated 1 in every 131,390 newborns. Since then, its popularity has been falling, with a noticeable decline starting around 2001. The name's meaning is uncertain, but it likely originated as a blend of sounds from established names, fitting a pattern of creative coinages that emerged in the late 20th century. Dalyn has not been recorded in any top states, indicating its widespread but low-frequency use across the country.

Dalyn first appeared in the United States in 1978, likely as a modern coinage blending sounds from names such as Dale ('valley') and Lynn ('lake' or 'waterfall'), or as a variant of the Irish surname Dalan. It has no established historical or linguistic roots outside its American usage.

Nicknames & variants

Variants: Dalan, Daylin, Dailyn

Sibling names for Dalyn

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

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

D is for Dalyn, our favorite little boy.

D is for Dalyn…”

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

Make Dalyn's book

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

Questions parents ask

What does the name Dalyn mean?
Dalyn is of uncertain origin, but it is thought to be a modern combination of elements from names like Dale and Lynn, or a variant of Dalan.
How popular is Dalyn today?
As of 2025, Dalyn ranked 6,446 in the U.S., with an estimated 1 in every 131,390 newborns being named Dalyn.
Is Dalyn a boy or girl name?
Dalyn is primarily used for boys, but it can be considered unisex due to its similar sound to names like Kaylyn or Katelyn.