Declan
Declan is a boys' name of Irish origin meaning “full of goodness.” It ranked #120 in the United States in 2025. From the Irish Deaglán, possibly meaning full of goodness.
how do you pronounce Declan?
DEK-lan
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what does Declan mean?
The name Declan means “full of goodness.” It comes from the Irish language tradition.
From the Irish Deaglán, possibly meaning full of goodness. Saint Declan of Ardmore was a 5th-century Irish bishop said to have preached Christianity in Ireland before Saint Patrick.
how popular is this name?
| Year | Rank |
|---|---|
| 2024 | #120 |
| 2023 | #124 |
| 2022 | #129 |
| 2021 | #135 |
| 2020 | #143 |
Source: SSA National Baby Names Dataset
who are famous people named Declan?
- Declan McManus (Elvis Costello)
- Declan Donnelly
what names are similar to Declan?
Last reviewed April 30, 2026 · Curated by HushName editorial
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