Boys' name · since 1920

Thadis

Since 1920, U.S. Social Security records show 31 babies named Thadis, peaking in 1934. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

31
total births
1920–1960
years on record
1930s
peak decade
35%
born in that decade

31 boys have been named Thadis since 1920, though it isn't currently a top-ranked name.

Thadis has 31 recorded births among boys since 1920, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1930s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1920 to 1960.

  • 31 total births
  • 1920–1960 years on record
  • 1930s peak decade
  • 35% born in that decade

Data updated Jul 2026

The verdict

31 boys have been named Thadis since 1920, peaking in the 1930s, last recorded in 1960.

31
total births
1920–1960
years on record
1930s
peak decade
35%
born in that decade
1930s
Peak decade

35% of everyone ever named Thadis was born in this single decade.

1934
Single peak year

6 babies were named Thadis in 1934 - its busiest year on record.

Thadis's usage pattern, beyond the headline number

Splitting Thadis's full recorded timeline at 1943, 48% of its total births fall in the more recent half of the record versus 52% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1920, with just 5 recorded births -- worth weighing against the 1934 peak of 6 to see the full range of the name's swing in popularity.

Thadis at a glance

Last recorded 1960

Total births

31

Since 1920

41 years of records

Peak year

1934

6 births that year

Strongest decade: 1930s

Current rank

Unranked

Outside the modern top-1,000

As of 1960

Active since

1920

Recorded for 41 years

Last year on file: 1960

Thadis popularity over time

Annual U.S. births registered with the Social Security Administration · 1920–1960

Last recorded 1960
Peak year (1934)
6
Annual births at peak, across 41 years of records
4.555.566.5 192019341936194319571960 5

Thadis by decade

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

1930s was Thadis's strongest decade.

11 babies received the name during that ten-year window, about 35% of all-time use.

Thadis births by decade

Total births in each ten-year window

births

What this shows Peak: 1930s at 11 births (35% of all-time use).

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

Frequently Asked Questions

How popular is the name Thadis?
Thadis has been given to 31 babies in the U.S. since 1920, according to SSA data. Its last appearance in the data was 1960. 6 babies were born in 1934, its single highest year.
When was Thadis most popular?
Thadis was most popular in the 1930s decade with 11 total births. The single peak year was 1934.
How long has the name Thadis been used?
The SSA has tracked Thadis since 1920 -- 41 years through the most recent 1960 data.
What names are similar to Thadis?
Names with a similar sound or spelling include Thaddeus, Thad, Thatcher, Thane, and 4 more. These share a common prefix and are also used for boys.

What to do with Thadis's data

  • Thadis's usage has stayed within range of its 1930s decade-level peak (11 total births) through the 1960s (5) -- a comparatively stable name, not a fading trend.
  • 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 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, 1920–1960 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Thadis: Baby Name Since 1920 - 31 Births, Peak 1934." NameAlmanac. Accessed via https://namealmanac.com/name/thadis. 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 Thadis 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.