Boy nameCurrently #131 in the USSteady

Declan

DEK-lun//ˈdɛklən//

2 syllablesPeak year: 20196 lettersStarts with D

Meaning & origin

Full of goodness (disputed)

Declan comes from the Irish Deaglán, whose meaning is uncertain but is sometimes linked to 'full of goodness' or virtue, honoring a 5th-century Irish saint. Its rhythmic, international sound has made it a fast-rising modern choice.

Declan's popularity over time

Yearly US births named Declan, Social Security Administration data
YearBirths named Declan
19515
19556
19565
19576
19595
19607
19615
19625
196310
19647
19657
19665
19677
19688
19699
197011
19716
19749
19759
19767
19776
19786
19806
198110
198213
198310
19848
198515
198612
198714
198822
198934
199037
199133
199244
199349
199466
199592
1996105
1997124
1998234
1999351
2000388
2001537
2002562
2003611
2004606
2005842
2006823
2007923
2008942
20091,046
20101,262
20112,182
20122,798
20133,138
20143,337
20153,608
20163,650
20173,509
20183,842
20194,007
20203,632
20213,686
20223,374
20232,844
20242,772

Declan through the decades

  • Declan peaked in 2019, when 4,007 babies were named Declan in the US.
  • The 2020s were Declan's strongest decade, averaging 3,262 births a year.
  • Over the last 10 years of data (2015–2024), use of Declan has risen 102% compared to the 10 years before that.
  • Declan currently ranks #131 in the US and is holding steady.

Nicknames

Dec

Variants & spellings

Deaglán

Names like Declan

Similar-sounding names.

Sibling names for Declan

A different sound, a similar rhythm.