Boys' name · since 1951

Declan

Declan has 58,547 recorded births since 1951 in federal Social Security data, most heavily in 2019 -- full year-by-year trend, decade aggregates, and state rankings follow.

#132
among boys today
58,547
born since 1951
2010s
peak decade
99.1%
more common than other boys

Yes -- Declan is the #132 most popular boys' name in the U.S. today, with 58,547 recorded since 1951.

Declan has 58,547 recorded births among boys since 1951, per the U.S. Social Security Administration, ranked #132 as of the latest data, more common than 99.1% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1951 to 2025.

  • #132 among boys today
  • 58,547 born since 1951
  • 2010s peak decade
  • 99.1% more common than other boys

Data updated Jun 2026

The verdict

Declan is currently the #132 boys' name in America, more common than 99.1% of boys - 58,547 born since 1951, peaking in the 2010s.

#132
among boys today
58,547
born since 1951
2010s
peak decade
99.1%
more common than other boys

Declan vs. every other boys name in current SSA rankings

0%100%Median name50%99%
Declan vs. every other boys name in current SSA rankings
#132
of 14,294 boys in use

More common than 99.1% of names given to boys today.

2010s
Peak decade

53% of everyone ever named Declan was born in this single decade.

2019
Single peak year

3,971 babies were named Declan in 2019 - its busiest year on record.

How Declan compares

58,547 Top 3% higher than 97% of 14,294 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Declan's all-time total is 160x the median boys name, and Liam still leads by a wide margin.

Metric Declan Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 58,547 367 358,536
Peak-year births 3,971 23 22,252

Declan's usage pattern, beyond the headline number

Splitting Declan's full recorded timeline at 1992, 99% of its total births fall in the more recent half of the record versus 1% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1951, with just 5 recorded births -- worth weighing against the 2019 peak of 3,971 to see the full range of the name's swing in popularity.

Declan at a glance

Top 1,000 boys' name

Total births

58,547

Since 1951

75 years of records

Peak year

2019

3,971 births that year

Strongest decade: 2010s

Current rank

#132

Among boys

As of 2025

Active since

1951

Recorded for 75 years

Last year on file: 2025

Declan popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1951–2025

Top 1,000 boys' name
Peak year (2019)
3,971
Annual births at peak, across 75 years of records
-1,00001,0002,0003,0004,0005,000 195119641975198519942003201220212025 2,570

Declan popularity over time - girls

403 total births recorded since 2001 (Declan as girls' name)

Unisex variant - 403 births
01020304050 2001201120142017202020232025 17

Declan by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Declan's strongest decade.

31,107 babies received the name during that ten-year window, about 53% of all-time use.

Declan births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 31,107 births (53% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

How Declan compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Declan's total volume

Declan vs 15 similarly-sized boys names

Declan vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%2%4%6%8%10%12% 6080100120140160 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Declan
Declan vs 15 similarly-sized boys names

Declan by state

Where Declan concentrates geographically, total births since 1951

Geographically diffuse
Top 8 states by recorded births for the name Declan
Rank State Visual share Births Share of total
#1 California
4,641 7.9%
#2 New York
3,805 6.5%
#3 Pennsylvania
3,656 6.2%
#4 Texas
2,988 5.1%
#5 Illinois
2,986 5.1%
#6 Massachusetts
2,506 4.3%
#7 Florida
2,456 4.2%
#8 Ohio
2,376 4.1%
California share of Declan's total US births 7.9%
Even split

4,641 of 58,547 births nationwide. Compared to a flat distribution across 51 reporting states.

Declan appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Declan?
Since 1951, Social Security records show 58,547 babies named Declan. Today it holds rank #132 among boys. Its busiest year on record was 2019, with 3,971 births.
When was Declan most popular?
Declan was most popular in the 2010s decade with 31,107 total births. The single peak year was 2019.
Where is Declan most popular?
The top states for the name Declan are California (4,641 births), New York (3,805 births), Pennsylvania (3,656 births).
How long has the name Declan been used?
Records for Declan go back to 1951, giving 75 years of history through 2025.
What names are similar to Declan?
Names with a similar sound or spelling include Decker, Decarlos, Decarlo, Decklan, and 4 more. These share a common prefix and are also used for boys.

What to do with Declan's data

  • Declan's usage has stayed within range of its 2010s decade-level peak (31,107 total births) through the 2020s (18,742) -- a comparatively stable name, not a fading trend.
  • California records the most Declans (4,641 births) -- see the full state breakdown if geography matters to your decision. California names
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of June 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1951–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Declan: #132 Boys' Name - 58,547 Births, Peak 2019." NameAlmanac. Accessed via https://namealmanac.com/name/declan. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Declan draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.