Total births
10
Boys' name · since 1954
Thaddis
10 babies named Thaddis in U.S. Social Security records since 1954, with the highest year being 1954. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 10
- total births
- 1954–1957
- years on record
- 1950s
- peak decade
- 100%
- born in that decade
Thaddis sits outside today's top ranks for boys, with 10 recorded since 1954.
According to the U.S. Social Security Administration, Thaddis has been recorded 10 times among boys since 1954, though it is not among the currently most-used boys names, 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 1954 to 1957.
- 10 total births
- 1954–1957 years on record
- 1950s peak decade
- 100% born in that decade
Data updated Jul 2026
The verdict
10 boys have been named Thaddis since 1954, peaking in the 1950s, last recorded in 1957.
- 10
- total births
- 1954–1957
- years on record
- 1950s
- peak decade
- 100%
- born in that decade
1950s
Peak decade
100% of everyone ever named Thaddis was born in this single decade.
1954
Single peak year
5 babies were named Thaddis in 1954 - its busiest year on record.
Thaddis's usage pattern, beyond the headline number
Splitting Thaddis's full recorded timeline at 1957, 50% of its total births fall in the more recent half of the record versus 50% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1954, with just 5 recorded births.
Thaddis at a glance
Last recorded 1957Peak year
1954
Current rank
Unranked
Active since
1954
Thaddis popularity over time
Annual U.S. births registered with the Social Security Administration · 1954–1957
- Peak year (1954)
- 5
- Annual births at peak, across 4 years of records
Thaddis by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Thaddis's strongest decade.
10 babies received the name during that ten-year window, about 100% of all-time use.
Thaddis births by decade
Total births in each ten-year window
- 1950s
1950s
10 births
What this shows Peak: 1950s at 10 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Thaddis? ▼
Thaddis has been given to 10 babies in the U.S. since 1954, according to SSA data. Its last appearance in the data was 1957. 5 babies were born in 1954, its single highest year.
When was Thaddis most popular? ▼
Thaddis was most popular in the 1950s decade with 10 total births. The single peak year was 1954.
How long has the name Thaddis been used? ▼
Thaddis has been recorded in Social Security data since 1954, spanning 4 years of data through 1957.
What names are similar to Thaddis? ▼
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.
Keep exploring Thaddis
Nearby Names Like Thaddis
Names with a similar sound, spelling, or feel to Thaddis
Thaddeus Boy
#852 26,057 births
Thad Boy
#12364 8,219 births
Thatcher Boy
#1040 4,955 births
Thane Boy
#2967 2,604 births
Thayne Boy
#6507 1,450 births
Compare Thaddis side by side: Thaddis vs Thaddeus Thaddis vs Thad Thaddis vs Thatcher
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, 1954–1957 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Thaddis: Baby Name Since 1954 - 10 Births, Peak 1954." NameAlmanac. Accessed via https://namealmanac.com/name/thaddis. 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 Thaddis 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.