girl's name
Deilyn
- Gender Girl
- Letters 6
- Popularity Rare
- Births on record 50
Deilyn is a girl's name. In 2025 it was given to 9 babies in the United States. It is a rare choice.
- Peaked in 2025, when 9 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 368,460 babies in the United States is given this name.
- First appears in US birth records in 2005.
Deilyn over time
Births per decade in the United States, 2000s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 2000s | 11 |
| 2010s | 12 |
| 2020s (to 2025) | 27 |
How popular is Deilyn?
In 2025, Deilyn was given to 9 babies in the United States. It is a rare choice.
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Deilyn
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Deilyn also like
Names whose popularity has risen and fallen in step with Deilyn over the last century — the same taste, a different name.
Sibling names for Deilyn
Names from the same era that won't rhyme or share an initial with Deilyn — the two things that make a sibling set grate.
Common questions about Deilyn
How popular is the name Deilyn?
In 2025, Deilyn was given to 9 babies in the United States. It is a rare choice.
Is Deilyn a girl's or a boy's name?
Deilyn is given almost entirely to girls in birth records.
When was Deilyn most popular?
Deilyn peaked in 2025, when 9 babies were given the name. It has been rising over the past decade.
Is Deilyn a good name?
That is not something records can settle, but they can tell you what you would be choosing. Deilyn currently ranks #10,610 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.