Declan

Boy · recorded 1951–2025

  • #139in 2025
  • 1 in 664boys in 2025
  • −20%last ten years
  • 3.1×in Maine

Most popular in 2019. Quieter now: down 20% in ten years.

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Meaning

We don’t have a verified meaning for Declan.

We only publish meanings we can cite to a source you could check yourself. Most sites will give you one anyway; the ones you find elsewhere are often copied between sites without verification.

Its story

Popularity since 1951

01,1072,21319511970198820072025

Hover over or drag across the chart to see any year.

Per million boys born. Years with fewer than five births are not in the record, so the line breaks rather than dropping to zero.
See the 68 recorded years as a table
Declan, per million boys born. Years absent from the table had fewer than five births.
YearPer million
19513
19553
19562
19573
19592
19603
19612
19622
19635
19644
19654
19663
19674
19685
19695
19706
19713
19746
19755
19764
19774
19784
19803
19816
19827
19836
19844
19858
19867
19877
198812
198917
199018
199116
199222
199325
199434
199548
199655
199766
1998122
1999183
2000198
2001273
2002289
2003309
2004305
2005422
2006398
2007445
2008462
2009527
2010655
20111,142
20121,466
20131,647
20141,729
20151,871
20161,909
20171,875
20182,099
20192,213
20202,086
20212,085
20221,916
20231,645
20241,605
20251,505

Where it’s loved

Most popular in these states

Compared with the country as a whole, pooled over 2023–2025.

  1. Maine 3.1×
  2. New Hampshire 3.1×
  3. Delaware 2.9×
  4. Montana 2.8×
  5. Idaho 2.4×

More like it

More like Declan

The numbers

Every figure

Births in 2025
2,570
Rank in 2025
#139
How rare
1 in 664 boys
Since 1951
58,547

Most popular in 2019, at 2,213 per million boys born.

Over the ten years to 2025 it has fallen by 20% per million boys born.

Top 5 states by concentration, pooled over 2023–2025
StateTimes the national rateBirths pooled
Maine3.1×56
New Hampshire3.1×64
Delaware2.9×40
Montana2.8×48
Idaho2.4×96

Figures from the US Social Security Administration’s 2025 release. How these numbers are made.