Girls' name · since 1921
Thomasa
304 babies named Thomasa in U.S. Social Security records since 1921, with the highest year being 1961. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #15,804 of 72,339
- all-time among girls
- 304
- born since 1921
- 1960s
- peak decade
Thomasa sits outside today's top ranks for girls, with 304 recorded since 1921.
Thomasa has 304 recorded births among girls since 1921, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1960s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1921 to 1992.
- #15,804 of 72,339 all-time among girls
- 304 born since 1921
- 1960s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Thomasa ranks #15,804 of 72,339 girls' names by all-time recorded births (highest first). 304 born since 1921, peaking in the 1960s.
- #15,804 of 72,339
- all-time among girls
- 304
- born since 1921
- 1960s
- peak decade
Thomasa's 304 recorded births place it above 78.14% of the 72,339 girls names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by Texas.
Thomasa's usage pattern, beyond the headline number
Splitting Thomasa's full recorded timeline at 1966, 38% of its total births fall in the more recent half of the record versus 62% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1921, with just 5 recorded births -- worth weighing against the 1961 peak of 20 to see the full range of the name's swing in popularity.
Thomasa popularity over time
Annual U.S. births registered with the Social Security Administration · 1921–1992
- Peak year (1961)
- 20
- Annual births at peak, across 72 years of records
Thomasa by decade
1960s is the heaviest window (125 births, 41% of the file).
1960s was Thomasa's strongest decade.
125 babies received the name during that ten-year window, about 41% of all-time use.
Thomasa births by decade
Total births in each ten-year window
- 1920s 21
1920s
21 births
- 1930s 6
1930s
6 births
- 1940s 6
1940s
6 births
- 1950s
1950s
57 births
- 1960s
1960s
125 births
- 1970s 46
1970s
46 births
- 1980s 32
1980s
32 births
- 1990s 11
1990s
11 births
What this shows Peak: 1960s at 125 births (41% of all-time use).
Thomasa by state
Where Thomasa concentrates geographically, total births since 1921
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 8 | 2.6% |
8 of 304 births nationwide.
Frequently Asked Questions
How popular is the name Thomasa? ▼
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What to do with Thomasa's data
- Thomasa's decade-level peak was the 1960s (125 total births); usage has since declined to 11 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Thomasas (8 births) -- see the full state breakdown if geography matters to your decision. Texas names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Thomasa
Nearby Names Like Thomasa
Names with a similar sound, spelling, or feel to Thomasa
Compare Thomasa side by side: Thomasa vs Thomas Thomasa vs Thomasina Thomasa vs Thora
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Thomasa: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1961)
Similar record span (~71 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, 1921–1992 (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 Thomasa 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.