Girls' name · since 1909

Thomasine

Thomasine has 2,234 recorded births since 1909 in federal Social Security data, most heavily in 1950 -- full year-by-year trend, decade aggregates, and state rankings follow.

2,234
total births
1909–1994
years on record
1940s
peak decade
23%
born in that decade

Thomasine sits outside today's top ranks for girls, with 2,234 recorded since 1909.

Social Security Administration records show Thomasine recorded 2,234 times among girls since 1909, though it doesn't currently rank among the most-used girls names, peaking in the 1940s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1909 to 1994.

  • 2,234 total births
  • 1909–1994 years on record
  • 1940s peak decade
  • 23% born in that decade

Data updated Jul 2026

The verdict

2,234 girls have been named Thomasine since 1909, peaking in the 1940s, last recorded in 1994.

2,234
total births
1909–1994
years on record
1940s
peak decade
23%
born in that decade
1940s
Peak decade

23% of everyone ever named Thomasine was born in this single decade.

1950
Single peak year

67 babies were named Thomasine in 1950 - its busiest year on record.

Thomasine's usage pattern, beyond the headline number

Divide Thomasine's SSA record in two at 1950 and the more recent half accounts for 47% of all births, the earlier half the remaining 53%, a genuinely balanced usage pattern. Its calmest year was 1909, with only 5 births recorded -- set against the 1950 peak of 67, that's the full swing in one name's fortunes.

Thomasine at a glance

Last recorded 1994

Total births

2,234

Since 1909

86 years of records

Peak year

1950

67 births that year

Strongest decade: 1940s

Current rank

Unranked

Outside the modern top-1,000

As of 1994

Active since

1909

Recorded for 86 years

Last year on file: 1994

Thomasine popularity over time

Annual U.S. births registered with the Social Security Administration · 1909–1994

Last recorded 1994
Peak year (1950)
67
Annual births at peak, across 86 years of records
020406080 190919211931194119511961197119811994 6

Thomasine by decade

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

1940s was Thomasine's strongest decade.

505 babies received the name during that ten-year window, about 23% of all-time use.

Thomasine births by decade

Total births in each ten-year window

births

What this shows Peak: 1940s at 505 births (23% of all-time use).

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

How Thomasine compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Thomasine's total volume

Thomasine vs 15 similarly-sized girls names

Thomasine vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Thomasine
Thomasine vs 15 similarly-sized girls names

Thomasine by state

Where Thomasine concentrates geographically, total births since 1909

Geographically diffuse
Top 8 states by recorded births for the name Thomasine
Rank State Visual share Births Share of total
#1 Virginia
143 6.4%
#2 District of Columbia
107 4.8%
#3 Pennsylvania
79 3.5%
#4 North Carolina
69 3.1%
#5 New York
38 1.7%
#6 Maryland
26 1.2%
#7 South Carolina
18 0.8%
#8 Illinois
12 0.5%
Virginia share of Thomasine's total US births 6.4%
Even split

143 of 2,234 births nationwide. Compared to a flat distribution across 10 reporting states.

Thomasine appears in 10 states. Explore state details →

Frequently Asked Questions

How popular is the name Thomasine?
Since 1909, Social Security records show 2,234 babies named Thomasine. The most recent recorded year was 1994. Its busiest year on record was 1950, with 67 births.
When was Thomasine most popular?
Thomasine was most popular in the 1940s decade with 505 total births. The single peak year was 1950.
Where is Thomasine most popular?
The top states for the name Thomasine are Virginia (143 births), District of Columbia (107 births), Pennsylvania (79 births).
How long has the name Thomasine been used?
The SSA has tracked Thomasine since 1909 -- 86 years through the most recent 1994 data.
What names are similar to Thomasine?
Names with a similar sound or spelling include Thomas, Thomasina, Thora, Thomasena, and 4 more. These share a common prefix and are also used for girls.

What to do with Thomasine's data

  • Thomasine's decade-level peak was the 1940s (505 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.
  • Virginia records the most Thomasines (143 births) -- see the full state breakdown if geography matters to your decision. Virginia names
  • 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, 1909–1994 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Thomasine: Baby Name Since 1909 - 2,234 Births, Peak 1950." NameAlmanac. Accessed via https://namealmanac.com/name/thomasine. 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 Thomasine 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.