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.
- #35,706 of 45,481
- all-time among boys
- 10
- born since 1954
- 1950s
- peak 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.
- #35,706 of 45,481 all-time among boys
- 10 born since 1954
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Thaddis ranks #35,706 of 45,481 boys' names by all-time recorded births (highest first). 10 born since 1954, peaking in the 1950s.
- #35,706 of 45,481
- all-time among boys
- 10
- born since 1954
- 1950s
- peak decade
Thaddis's 10 recorded births place it above 21.08% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
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 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
No longer in the modern top-1000, last recorded 1957.
10 total births across 4 years of SSA records. Peaked in 1954 with 5 births in a single year.
Thaddis by decade
1950s is the heaviest window (10 births, 100% of the file).
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).
Thaddis decade highlights
- Peak decade 10 births
- Decades tracked with recorded births
Frequently Asked Questions
How popular is the name Thaddis? ▼
Where does Thaddis sit in the SSA name archive? ▼
When was Thaddis most popular? ▼
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Keep exploring Thaddis
Nearby Names Like Thaddis
Names with a similar sound, spelling, or feel to Thaddis
Compare Thaddis side by side: Thaddis vs Thaddeus Thaddis vs Thad Thaddis vs Thatcher
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Thaddis: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1954)
Similar record span (~3 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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).
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 August 2026.
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