Unisex name · since 1884

Sullivan

15,635 babies named Sullivan in U.S. Social Security records since 1884, with the highest year being 2025. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#339
among boys today
15,635
born since 1884
2010s
peak decade
98%
more common than other boys

15,635 babies have been named Sullivan since 1884, making it today's #339 unisex name.

Sullivan has 15,635 recorded births among boys since 1884, per the U.S. Social Security Administration, ranked #339 as of the latest data, more common than 98% 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 1884 to 2025.

  • #339 among boys today
  • 15,635 born since 1884
  • 2010s peak decade
  • 98% more common than other boys

Data updated Jun 2026

The verdict

Sullivan is currently the #339 unisex name in America, more common than 98% of boys - 15,635 born since 1884, peaking in the 2010s.

#339
among boys today
15,635
born since 1884
2010s
peak decade
98%
more common than other boys

Sullivan vs. every other boys name in current SSA rankings

0%100%Median name50%97.6%
Sullivan vs. every other boys name in current SSA rankings
#339
of 14,294 boys in use

More common than 98% of names given to boys today.

2010s
Peak decade

41% of everyone ever named Sullivan was born in this single decade.

2025
Single peak year

1,083 babies were named Sullivan in 2025 - its busiest year on record.

How Sullivan compares

15,635 Top 7% higher than 93% 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

Sullivan's all-time total is 43x the median boys name, and Liam still leads by a wide margin.

Metric Sullivan Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 15,635 367 358,536
Peak-year births 1,083 23 22,252

Sullivan's usage pattern, beyond the headline number

Divide Sullivan's SSA record in two at 1961 and the more recent half accounts for 95% of all births, the earlier half the remaining 5%, consistent with a name still gaining ground rather than fading. Its calmest year was 1886, with only 5 births recorded -- set against the 2025 peak of 1,083, that's the full swing in one name's fortunes.

Sullivan at a glance

Top 1,000 boys' name

Total births

15,635

Since 1884

142 years of records

Peak year

2025

1,083 births that year

Strongest decade: 2010s

Current rank

#339

Among boys

As of 2025

Active since

1884

Recorded for 142 years

Last year on file: 2025

Sullivan popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1884–2025

Top 1,000 boys' name
Peak year (2025)
1,083
Annual births at peak, across 142 years of records
-50005001,0001,500 188419131929194619621978199520112025 1,083

Sullivan popularity over time - girls

1,442 total births recorded since 1993 (Sullivan as girls' name)

Unisex variant - 1,442 births
050100150 19931998200320082013201820232025 74

Sullivan by decade

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

2010s was Sullivan's strongest decade.

6,428 babies received the name during that ten-year window, about 41% of all-time use.

Sullivan births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 6,428 births (41% of all-time use).

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

How Sullivan 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 Sullivan's total volume

Sullivan vs 15 similarly-sized boys names

Sullivan vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20% 050100150200 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 Sullivan
Sullivan vs 15 similarly-sized boys names

Sullivan by state

Where Sullivan concentrates geographically, total births since 1884

Geographically diffuse
Top 8 states by recorded births for the name Sullivan
Rank State Visual share Births Share of total
#1 Minnesota
822 5.3%
#2 Ohio
805 5.1%
#3 California
686 4.4%
#4 Michigan
679 4.3%
#5 Wisconsin
654 4.2%
#6 South Carolina
633 4.0%
#7 North Carolina
628 4.0%
#8 Texas
620 4.0%
Minnesota share of Sullivan's total US births 5.3%
Even split

822 of 15,635 births nationwide. Compared to a flat distribution across 46 reporting states.

Sullivan appears in 46 states. Explore state details →

Frequently Asked Questions

How popular is the name Sullivan?
Sullivan has been given to 15,635 babies in the U.S. since 1884, according to SSA data. Among boys, it ranks #339 as of the latest data. 1,083 babies were born in 2025, its single highest year.
When was Sullivan most popular?
Sullivan was most popular in the 2010s decade with 6,428 total births. The single peak year was 2025.
Where is Sullivan most popular?
The top states for the name Sullivan are Minnesota (822 births), Ohio (805 births), California (686 births).
Is Sullivan a unisex name?
Yes, Sullivan is used for both boys and girls. As a boy's name it has 15,635 births, and as a girl's name it has 1,442 births.
How long has the name Sullivan been used?
Sullivan has been recorded in Social Security data since 1884, spanning 142 years of data through 2025.
What names are similar to Sullivan?
Names with a similar sound or spelling include Sultan, Sulaiman, Suleiman, Sulayman, and 4 more. These share a common prefix and are also used for boys.

What to do with Sullivan's data

  • Sullivan's usage has stayed within range of its 2010s decade-level peak (6,428 total births) through the 2020s (5,564) -- a comparatively stable name, not a fading trend.
  • Minnesota records the most Sullivans (822 births) -- see the full state breakdown if geography matters to your decision. Minnesota 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, 1884–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Sullivan: #339 Unisex Name - 15,635 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/sullivan. 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 Sullivan 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.