Declan
Boy nameDeclan has been given to 58,950 babies in the U.S. since 1951. It peaked in 2019 and currently ranks #139 for boys (2025).
Meaning & origin /ˈdɛklən/
From Old Irish Declán, whence the modern Irish equivalent Deaglán.
Origin: Old Irish
Etymology adapted from Wiktionary, licensed CC BY-SA 4.0.
Popularity over time births per year, 1880–2025
Total babies
58,950
Peak year
2019 (4,007 babies)
Rank in 2025
#139 for boys
First recorded
1951
10-year trend
▼ -28%
Gender split
1% girls / 99% boys
Famous people named Declan
Declan Rice
English footballer (born 1999)
Elvis Costello
English singer-songwriter (born 1954)
Declan Galbraith
English singer, actor
Notability data from Wikidata (CC0).
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Declan.
Get new name insights first
Occasional updates when we add new data & tools. No spam, unsubscribe anytime by replying to any email or writing to hello@zalize.com.
By subscribing you agree to our privacy policy. We store only your email address and the date you signed up.