US rank #4373 Girls' name Peak 1921 225,429 births

Thelma — #4373 US girls' name

225,429 babies named Thelma in U.S. Social Security records since 1880, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s761890s23851900s182651910s570111920s687671930s362541940s202291950s117751960s58951970s21581980s11701990s6872000s3792010s2392020s139
#4373
of 17,661 girls in use

More common than 75% of names given to girls today.

1920s
Peak decade

31% of everyone ever named Thelma was born in this single decade.

1921
Single peak year

7,839 babies were named Thelma in 1921 — its busiest year on record.

What the Data Says About Thelma

The Social Security Administration has registered 225,429 babies named Thelma between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a girl's name, Thelma currently holds the #4373 rank among girls for 2024. The name reached its historical peak in 1921, when 7,839 babies received it in a single year.

Decade-level aggregation shows that Thelma performed strongest in the 1920s, accumulating 68,767 births during that ten-year window. Across the 15 decades of recorded activity, Thelma shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Pennsylvania, which accounts for 13,530 births — the largest state-level total in the dataset — followed by Texas and North Carolina. In total, SSA state-level files list Thelma in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Thelma in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 225,429 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Thelma at a glance

Outside the top 1,000

Total births

225,429

Since 1880

145 years of records

Peak year

1921

7,839 births that year

Strongest decade: 1920s

Current rank

#4,373

Among girls

As of 2024

Active since

1880

Recorded for 145 years

Last year on file: 2024

Thelma popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2024–1880

Outside the top 1,000
Peak year (1921)
7,839
Annual births at peak — across 145 years of records
-2,00002,0004,0006,0008,00010,000 202420061988197019521934191618981880 5

Thelma popularity over time — boys

1,142 total births recorded since 1896 (Thelma as boys' name)

Unisex variant — 1,142 births
01020304050 196919531943193519271919191119031896 5

Thelma by decade

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

Peak: 1920s
Peak decade
1920s
68,767 births that decade — 31% of Thelma's all-time total
1880s761890s23851900s182651910s570111920s687671930s362541940s202291950s117751960s58951970s21581980s11701990s6872000s3792010s2392020s139

Thelma by state

Where Thelma concentrates geographically — total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Thelma
Rank State Visual share Births Share of total
#1 Pennsylvania
13,530 6.0%
#2 Texas
12,891 5.7%
#3 North Carolina
10,118 4.5%
#4 Ohio
9,885 4.4%
#5 Kentucky
9,391 4.2%
#6 Virginia
9,271 4.1%
#7 Georgia
9,090 4.0%
#8 New York
8,936 4.0%
Pennsylvania share of Thelma's total US births 6.0%
Even split

13,530 of 225,429 births nationwide. Compared to a flat distribution across 51 reporting states.

Thelma appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Thelma?
225,429 babies have been named Thelma since 1880. It currently ranks #4373 among girls. The peak year was 1921 with 7,839 births.
When was Thelma most popular?
Thelma was most popular in the 1920s decade with 68,767 total births. The single peak year was 1921.
Where is Thelma most popular?
The top states for the name Thelma are Pennsylvania (13,530 births), Texas (12,891 births), North Carolina (10,118 births).
How long has the name Thelma been used?
Thelma has been recorded in Social Security data since 1880, spanning 145 years of data through 2024.
What names are similar to Thelma?
Names with a similar sound or spelling include Theresa, Therese, Thea, Theodora, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Thelma

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1880–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.