Total births
166
Boys' name · since 1881
Thos
166 babies named Thos in U.S. Social Security records since 1881, with the highest year being 1915. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 166
- total births
- 1881–1928
- years on record
- 1910s
- peak decade
- 51%
- born in that decade
Thos sits outside today's top ranks for boys, with 166 recorded since 1881.
Social Security Administration records show Thos recorded 166 times among boys since 1881, though it doesn't currently rank among the most-used boys names, peaking in the 1910s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1881 to 1928.
- 166 total births
- 1881–1928 years on record
- 1910s peak decade
- 51% born in that decade
Data updated Jul 2026
The verdict
166 boys have been named Thos since 1881, peaking in the 1910s, last recorded in 1928.
- 166
- total births
- 1881–1928
- years on record
- 1910s
- peak decade
- 51%
- born in that decade
1910s
Peak decade
51% of everyone ever named Thos was born in this single decade.
1915
Single peak year
14 babies were named Thos in 1915 - its busiest year on record.
Thos's usage pattern, beyond the headline number
Splitting Thos's full recorded timeline at 1913, 60% of its total births fall in the more recent half of the record versus 40% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1884, with just 5 recorded births -- worth weighing against the 1915 peak of 14 to see the full range of the name's swing in popularity.
Thos at a glance
Last recorded 1928Peak year
1915
Current rank
Unranked
Active since
1881
Thos popularity over time
Annual U.S. births registered with the Social Security Administration · 1881–1928
- Peak year (1915)
- 14
- Annual births at peak, across 48 years of records
Thos by decade
Total births in each ten-year window, peak vs trough at a glance
1910s was Thos's strongest decade.
85 babies received the name during that ten-year window, about 51% of all-time use.
Thos births by decade
Total births in each ten-year window
- 1880s
1880s
43 births
- 1890s 5
1890s
5 births
- 1900s 7
1900s
7 births
- 1910s
1910s
85 births
- 1920s 26
1920s
26 births
What this shows Peak: 1910s at 85 births (51% of all-time use).
Frequently Asked Questions
How popular is the name Thos? ▼
166 babies have been named Thos since 1881. It was last recorded in 1928. The peak year was 1915 with 14 births.
When was Thos most popular? ▼
Thos was most popular in the 1910s decade with 85 total births. The single peak year was 1915.
How long has the name Thos been used? ▼
Thos has been recorded in Social Security data since 1881, spanning 48 years of data through 1928.
What names are similar to Thos? ▼
Names with a similar sound or spelling include Thomas, Thor, Thornton, Thompson, and 4 more. These share a common prefix and are also used for boys.
What to do with Thos's data
- Thos's decade-level peak was the 1910s (85 total births); usage has since declined to 26 in the 1920s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- 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 Thos
Nearby Names Like Thos
Names with a similar sound, spelling, or feel to Thos
Thomas Boy
#39 2,358,576 births
Thor Boy
#2792 4,857 births
Thornton Boy
#10943 3,132 births
Thompson Boy
#2921 2,725 births
Thorin Boy
#1362 2,301 births
Compare Thos side by side: Thos vs Thomas Thos vs Thor Thos vs Thornton
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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, 1881–1928 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Thos: Baby Name Since 1881 - 166 Births, Peak 1915." NameAlmanac. Accessed via https://namealmanac.com/name/thos. 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 Thos 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 July 2026.