Boys' name · since 1880

Thomas

Since 1880, U.S. Social Security records show 2,358,576 babies named Thomas, peaking in 1952. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#39
among boys today
2,358,576
born since 1880
1950s
peak decade
99.7%
more common than other boys

Thomas currently ranks #39 among boys' names in America, with 2,358,576 babies recorded since 1880.

According to the U.S. Social Security Administration, Thomas has been recorded 2,358,576 times among boys since 1880, currently ranked #39 nationally and more common than 99.7% of boys, with its heaviest use in the 1950s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1880 to 2025.

  • #39 among boys today
  • 2,358,576 born since 1880
  • 1950s peak decade
  • 99.7% more common than other boys

Data updated Jun 2026

The verdict

Thomas is currently the #39 boys' name in America, more common than 99.7% of boys - 2,358,576 born since 1880, peaking in the 1950s.

#39
among boys today
2,358,576
born since 1880
1950s
peak decade
99.7%
more common than other boys

Thomas vs. every other boys name in current SSA rankings

0%100%Median name50%99.7%
Thomas vs. every other boys name in current SSA rankings
#39
of 14,294 boys in use

More common than 99.7% of names given to boys today.

1950s
Peak decade

19% of everyone ever named Thomas was born in this single decade.

1952
Single peak year

48,647 babies were named Thomas in 1952 - its busiest year on record.

How Thomas compares

2,358,576 Top 0% higher than 100% 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

Thomas's all-time total is 6,427x the median boys name, and Liam still leads by a wide margin.

Metric Thomas Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 2,358,576 367 358,536
Peak-year births 48,647 23 22,252

Thomas's usage pattern, beyond the headline number

Divide Thomas's SSA record in two at 1953 and the more recent half accounts for 58% of all births, the earlier half the remaining 42%, a genuinely balanced usage pattern. Its calmest year was 1899, with only 1,811 births recorded -- set against the 1952 peak of 48,647, that's the full swing in one name's fortunes.

Thomas at a glance

Top 100 boys' name

Total births

2,358,576

Since 1880

146 years of records

Peak year

1952

48,647 births that year

Strongest decade: 1950s

Current rank

#39

In the top 100

As of 2025

Active since

1880

Recorded for 146 years

Last year on file: 2025

Thomas popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1880–2025

Top 100 boys' name
Peak year (1952)
48,647
Annual births at peak, across 146 years of records
-20,000020,00040,00060,000 188018991918193719561975199420132025 6,917

Thomas popularity over time - girls

8,511 total births recorded since 1880 (Thomas as girls' name)

Unisex variant - 8,511 births
-50050100150200 188018991917193519531971198920072025 7

Thomas by decade

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

1950s was Thomas's strongest decade.

454,385 babies received the name during that ten-year window, about 19% of all-time use.

Thomas births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 454,385 births (19% of all-time use).

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

How Thomas 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 Thomas's total volume

Thomas vs 15 similarly-sized boys names

Thomas vs 15 similarly-sized boys names Scatter plot of 16 data points. 1%2%3%4%5% 145.9145.9146146.1 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 Thomas
Thomas vs 15 similarly-sized boys names

Thomas by state

Where Thomas concentrates geographically, total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Thomas
Rank State Visual share Births Share of total
#1 New York
242,659 10.3%
#2 Pennsylvania
184,004 7.8%
#3 California
136,405 5.8%
#4 Illinois
134,032 5.7%
#5 Ohio
132,958 5.6%
#6 Michigan
105,953 4.5%
#7 New Jersey
95,022 4.0%
#8 Texas
92,850 3.9%
New York share of Thomas's total US births 10.3%
Even split

242,659 of 2,358,576 births nationwide. Compared to a flat distribution across 51 reporting states.

Thomas appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Thomas?
Since 1880, Social Security records show 2,358,576 babies named Thomas. Today it holds rank #39 among boys. Its busiest year on record was 1952, with 48,647 births.
When was Thomas most popular?
Thomas was most popular in the 1950s decade with 454,385 total births. The single peak year was 1952.
Where is Thomas most popular?
The top states for the name Thomas are New York (242,659 births), Pennsylvania (184,004 births), California (136,405 births).
How long has the name Thomas been used?
The SSA has tracked Thomas since 1880 -- 146 years through the most recent 2025 data.
What names are similar to Thomas?
Names with a similar sound or spelling include Thor, Thornton, Thompson, Thorin, and 4 more. These share a common prefix and are also used for boys.

What to do with Thomas's data

  • Thomas's decade-level peak was the 1950s (454,385 total births); usage has since declined to 39,782 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • New York records the most Thomass (242,659 births) -- see the full state breakdown if geography matters to your decision. New York 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, 1880–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Thomas: #39 Boys' Name - 2,358,576 Births, Peak 1952." NameAlmanac. Accessed via https://namealmanac.com/name/thomas. 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 Thomas 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.