Total births
6,994
Unisex name · since 1975
Dillan
Dillan has 6,994 recorded births since 1975 in federal Social Security data, most heavily in 1992 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #2893
- among boys today
- 6,994
- born since 1975
- 2000s
- peak decade
- 80%
- more common than other boys
Dillan currently ranks #2893 among unisex names in America, with 6,994 babies recorded since 1975.
Dillan has 6,994 recorded births among boys since 1975, per the U.S. Social Security Administration, ranked #2893 as of the latest data, more common than 80% of boys, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1975 to 2025.
- #2893 among boys today
- 6,994 born since 1975
- 2000s peak decade
- 80% more common than other boys
Data updated Jun 2026
The verdict
Dillan is currently the #2893 unisex name in America, more common than 80% of boys - 6,994 born since 1975, peaking in the 2000s.
- #2893
- among boys today
- 6,994
- born since 1975
- 2000s
- peak decade
- 80%
- more common than other boys
Dillan vs. every other boys name in current SSA rankings
#2893
of 14,294 boys in use
More common than 80% of names given to boys today.
2000s
Peak decade
39% of everyone ever named Dillan was born in this single decade.
1992
Single peak year
341 babies were named Dillan in 1992 - its busiest year on record.
How Dillan compares
6,994 Top 10% higher than 90% 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
Dillan's all-time total is 19x the median boys name, and Liam still leads by a wide margin.
| Metric | Dillan | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 6,994 | 367 | 358,536 |
| Peak-year births | 341 | 23 | 22,252 |
Dillan's usage pattern, beyond the headline number
Dillan splits its recorded history at 2002: 52% of all births land in the more recent half, 48% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1975 (5 births) -- compare that against the 1992 peak of 341 for a sense of just how much the name's popularity has swung.
Dillan at a glance
Outside the top 1,000Peak year
1992
Current rank
#2,893
Active since
1975
Dillan popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1975–2025
- Peak year (1992)
- 341
- Annual births at peak, across 51 years of records
Dillan popularity over time - girls
393 total births recorded since 1993 (Dillan as girls' name)
Dillan by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Dillan's strongest decade.
2,703 babies received the name during that ten-year window, about 39% of all-time use.
Dillan births by decade
Total births in each ten-year window
- 1970s 10
1970s
10 births
- 1980s 153
1980s
153 births
- 1990s
1990s
2,643 births
- 2000s
2000s
2,703 births
- 2010s
2010s
1,205 births
- 2020s 280
2020s
280 births
What this shows Peak: 2000s at 2,703 births (39% of all-time use).
How Dillan 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 Dillan's total volume
Dillan vs 15 similarly-sized boys names
Dillan by state
Where Dillan concentrates geographically, total births since 1975
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 673 | 9.6% |
| #2 | Texas | | 668 | 9.6% |
| #3 | Florida | | 398 | 5.7% |
| #4 | Georgia | | 263 | 3.8% |
| #5 | New York | | 229 | 3.3% |
| #6 | Pennsylvania | | 228 | 3.3% |
| #7 | Ohio | | 219 | 3.1% |
| #8 | Louisiana | | 208 | 3.0% |
California share of Dillan's total US births 9.6%
Even split
673 of 6,994 births nationwide. Compared to a flat distribution across 38 reporting states.
Dillan appears in 38 states. Explore state details →
Frequently Asked Questions
How popular is the name Dillan? ▼
6,994 babies have been named Dillan since 1975. It currently ranks #2893 among boys. The peak year was 1992 with 341 births.
When was Dillan most popular? ▼
Dillan was most popular in the 2000s decade with 2,703 total births. The single peak year was 1992.
Where is Dillan most popular? ▼
The top states for the name Dillan are California (673 births), Texas (668 births), Florida (398 births).
Is Dillan a unisex name? ▼
Yes, Dillan is used for both boys and girls. As a boy's name it has 6,994 births, and as a girl's name it has 393 births.
How long has the name Dillan been used? ▼
Records for Dillan go back to 1975, giving 51 years of history through 2025.
What names are similar to Dillan? ▼
Names with a similar sound or spelling include Dillon, Dilan, Dillard, Dillion, and 4 more. These share a common prefix and are also used for boys.
What to do with Dillan's data
- Dillan's decade-level peak was the 2000s (2,703 total births); usage has since declined to 280 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Dillans (673 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.
Keep exploring Dillan
Nearby Names Like Dillan
Names with a similar sound, spelling, or feel to Dillan
Dillon Boy
#864 65,225 births
Dilan Boy
#662 6,034 births
Dillard Boy
3,730 births
Dillion Boy
#5318 3,655 births
Dillen Boy
691 births
Compare Dillan side by side: Dillan vs Dillon Dillan vs Dilan Dillan vs Dillard
Related Names
Names with a similar popularity rank to Dillan
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, 1975–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Dillan: #2893 Unisex Name - 6,994 Births, Peak 1992." NameAlmanac. Accessed via https://namealmanac.com/name/dillan. 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 Dillan 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.