Total births
691
Unisex name · since 1991
Dillen
Dillen has 691 recorded births since 1991 in federal Social Security data, most heavily in 2003 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 691
- total births
- 1991–2023
- years on record
- 2000s
- peak decade
- 44%
- born in that decade
Dillen sits outside today's top ranks for boys, with 691 recorded since 1991.
Social Security Administration records show Dillen recorded 691 times among boys since 1991, though it doesn't currently rank among the most-used boys names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1991 to 2023.
- 691 total births
- 1991–2023 years on record
- 2000s peak decade
- 44% born in that decade
Data updated Jun 2026
The verdict
691 boys have been named Dillen since 1991, peaking in the 2000s, last recorded in 2023.
- 691
- total births
- 1991–2023
- years on record
- 2000s
- peak decade
- 44%
- born in that decade
2000s
Peak decade
44% of everyone ever named Dillen was born in this single decade.
2003
Single peak year
40 babies were named Dillen in 2003 - its busiest year on record.
Dillen's usage pattern, beyond the headline number
Splitting Dillen's full recorded timeline at 2006, 34% of its total births fall in the more recent half of the record versus 66% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 2019, with just 5 recorded births -- worth weighing against the 2003 peak of 40 to see the full range of the name's swing in popularity.
Dillen at a glance
Last recorded 2023Peak year
2003
Current rank
Unranked
Active since
1991
Dillen popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1991–2023
- Peak year (2003)
- 40
- Annual births at peak, across 33 years of records
Dillen popularity over time - girls
56 total births recorded since 2000 (Dillen as girls' name)
Dillen by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Dillen's strongest decade.
306 babies received the name during that ten-year window, about 44% of all-time use.
Dillen births by decade
Total births in each ten-year window
- 1990s
1990s
262 births
- 2000s
2000s
306 births
- 2010s 113
2010s
113 births
- 2020s 10
2020s
10 births
What this shows Peak: 2000s at 306 births (44% of all-time use).
How Dillen 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 Dillen's total volume
Dillen vs 15 similarly-sized boys names
Dillen by state
Where Dillen concentrates geographically, total births since 1991
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 22 | 3.2% |
| #2 | Indiana | | 8 | 1.2% |
| #3 | Ohio | | 5 | 0.7% |
| #4 | Texas | | 5 | 0.7% |
California share of Dillen's total US births 3.2%
Even split
22 of 691 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
How popular is the name Dillen? ▼
691 babies have been named Dillen since 1991. It was last recorded in 2023. The peak year was 2003 with 40 births.
When was Dillen most popular? ▼
Dillen was most popular in the 2000s decade with 306 total births. The single peak year was 2003.
Where is Dillen most popular? ▼
The top states for the name Dillen are California (22 births), Indiana (8 births), Ohio (5 births).
Is Dillen a unisex name? ▼
Yes, Dillen is used for both boys and girls. As a boy's name it has 691 births, and as a girl's name it has 56 births.
How long has the name Dillen been used? ▼
Records for Dillen go back to 1991, giving 33 years of history through 2023.
What names are similar to Dillen? ▼
Names with a similar sound or spelling include Dillon, Dillan, Dilan, Dillard, and 4 more. These share a common prefix and are also used for boys.
What to do with Dillen's data
- Dillen's decade-level peak was the 2000s (306 total births); usage has since declined to 10 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Dillens (22 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 Dillen
Nearby Names Like Dillen
Names with a similar sound, spelling, or feel to Dillen
Dillon Boy
#864 65,225 births
Dillan Boy
#2893 6,994 births
Dilan Boy
#662 6,034 births
Dillard Boy
3,730 births
Dillion Boy
#5318 3,655 births
Compare Dillen side by side: Dillen vs Dillon Dillen vs Dillan Dillen vs Dilan
Related Names
Names with a similar number of total births
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, 1991–2023 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Dillen: Baby Name Since 1991 - 691 Births, Peak 2003." NameAlmanac. Accessed via https://namealmanac.com/name/dillen. 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 Dillen 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.