Girls' name · since 1908

Thersa

Since 1908, U.S. Social Security records show 1,071 babies named Thersa, peaking in 1965. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

1,071
total births
1908–2001
years on record
1960s
peak decade
30%
born in that decade

Thersa sits outside today's top ranks for girls, with 1,071 recorded since 1908.

Thersa has 1,071 recorded births among girls since 1908, 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 1908 to 2001.

  • 1,071 total births
  • 1908–2001 years on record
  • 1960s peak decade
  • 30% born in that decade

Data updated Jul 2026

The verdict

1,071 girls have been named Thersa since 1908, peaking in the 1960s, last recorded in 2001.

1,071
total births
1908–2001
years on record
1960s
peak decade
30%
born in that decade
1960s
Peak decade

30% of everyone ever named Thersa was born in this single decade.

1965
Single peak year

45 babies were named Thersa in 1965 - its busiest year on record.

Thersa's usage pattern, beyond the headline number

Splitting Thersa's full recorded timeline at 1956, 67% of its total births fall in the more recent half of the record versus 33% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1922, with just 5 recorded births -- worth weighing against the 1965 peak of 45 to see the full range of the name's swing in popularity.

Thersa at a glance

Last recorded 2001

Total births

1,071

Since 1908

94 years of records

Peak year

1965

45 births that year

Strongest decade: 1960s

Current rank

Unranked

Outside the modern top-1,000

As of 2001

Active since

1908

Recorded for 94 years

Last year on file: 2001

Thersa popularity over time

Annual U.S. births registered with the Social Security Administration · 1908–2001

Last recorded 2001
Peak year (1965)
45
Annual births at peak, across 94 years of records
01020304050 190819211930195019591968197719862001 6

Thersa by decade

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

1960s was Thersa's strongest decade.

326 babies received the name during that ten-year window, about 30% of all-time use.

Thersa births by decade

Total births in each ten-year window

births

What this shows Peak: 1960s at 326 births (30% of all-time use).

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

How Thersa 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 Thersa's total volume

Thersa vs 15 similarly-sized girls names

Thersa vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20% 050100150 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 Thersa
Thersa vs 15 similarly-sized girls names

Thersa by state

Where Thersa concentrates geographically, total births since 1908

Geographically diffuse
Top 5 states by recorded births for the name Thersa
Rank State Visual share Births Share of total
#1 California
10 0.9%
#2 South Carolina
6 0.6%
#3 Texas
6 0.6%
#4 Louisiana
5 0.5%
#5 Michigan
5 0.5%
California share of Thersa's total US births 0.9%
Even split

10 of 1,071 births nationwide. Compared to a flat distribution across 5 reporting states.

Frequently Asked Questions

How popular is the name Thersa?
Since 1908, Social Security records show 1,071 babies named Thersa. The most recent recorded year was 2001. Its busiest year on record was 1965, with 45 births.
When was Thersa most popular?
Thersa was most popular in the 1960s decade with 326 total births. The single peak year was 1965.
Where is Thersa most popular?
The top states for the name Thersa are California (10 births), South Carolina (6 births), Texas (6 births).
How long has the name Thersa been used?
The SSA has tracked Thersa since 1908 -- 94 years through the most recent 2001 data.
What names are similar to Thersa?
Names with a similar sound or spelling include Theresa, Thelma, Therese, Thea, and 4 more. These share a common prefix and are also used for girls.

What to do with Thersa's data

  • Thersa's decade-level peak was the 1960s (326 total births); usage has since declined to 6 in the 2000s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Thersas (10 births) -- see the full state breakdown if geography matters to your decision. California 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, 1908–2001 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Thersa: Baby Name Since 1908 - 1,071 Births, Peak 1965." NameAlmanac. Accessed via https://namealmanac.com/name/thersa. 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 Thersa 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.