Boys' name · since 1916
Tadeus
Since 1916, U.S. Social Security records show 34 babies named Tadeus, peaking in 1918. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #25,003 of 45,481
- all-time among boys
- 34
- born since 1916
- 1910s
- peak decade
34 boys have been named Tadeus since 1916, though it isn't currently a top-ranked name.
Tadeus has 34 recorded births among boys since 1916, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1910s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1916 to 1924.
- #25,003 of 45,481 all-time among boys
- 34 born since 1916
- 1910s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Tadeus ranks #25,003 of 45,481 boys' names by all-time recorded births (highest first). 34 born since 1916, peaking in the 1910s.
- #25,003 of 45,481
- all-time among boys
- 34
- born since 1916
- 1910s
- peak decade
Tadeus's 34 recorded births place it above 44.95% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Tadeus's usage pattern, beyond the headline number
Tadeus splits its recorded history at 1920: 47% of all births land in the more recent half, 53% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1917 (5 births) -- compare that against the 1918 peak of 7 for a sense of just how much the name's popularity has swung.
Tadeus popularity over time
Annual U.S. births registered with the Social Security Administration · 1916–1924
- Peak year (1918)
- 7
- Annual births at peak, across 9 years of records
Tadeus by decade
1910s is the heaviest window (18 births, 53% of the file).
1910s was Tadeus's strongest decade.
18 babies received the name during that ten-year window, about 53% of all-time use.
Tadeus births by decade
Total births in each ten-year window
- 1910s
1910s
18 births
- 1920s
1920s
16 births
What this shows Peak: 1910s at 18 births (53% of all-time use).
Frequently Asked Questions
How popular is the name Tadeus? ▼
Where does Tadeus sit in the SSA name archive? ▼
When was Tadeus most popular? ▼
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What to do with Tadeus's data
- Tadeus's usage has stayed within range of its 1910s decade-level peak (18 total births) through the 1920s (16) -- a comparatively stable name, not a fading trend.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Tadeus
Nearby Names Like Tadeus
Names with a similar sound, spelling, or feel to Tadeus
Compare Tadeus side by side: Tadeus vs Tad Tadeus vs Tadeo Tadeus vs Tadd
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Tadeus: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1918)
Similar record span (~8 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, 1916–1924 (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 Tadeus 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.