US rank #15280 Girls' name Peak 1921 2,430 births

Dorthea — #15280 US girls' name

2,430 babies named Dorthea in U.S. Social Security records since 1882, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s161890s161900s481910s2861920s4851930s2621940s1841950s3501960s3291970s1791980s1401990s902000s302010s52020s10
#15280
of 17,661 girls in use

More common than 13% of names given to girls today.

1920s
Peak decade

20% of everyone ever named Dorthea was born in this single decade.

1921
Single peak year

69 babies were named Dorthea in 1921 — its busiest year on record.

What the Data Says About Dorthea

The Social Security Administration has registered 2,430 babies named Dorthea between 1882 and 2024, spanning 143 consecutive years of U.S. birth records. As a girl's name, Dorthea currently holds the #15280 rank among girls for 2024. The name reached its historical peak in 1921, when 69 babies received it in a single year.

Decade-level aggregation shows that Dorthea performed strongest in the 1920s, accumulating 485 births during that ten-year window. Across the 15 decades of recorded activity, Dorthea shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Pennsylvania, which accounts for 49 births — the largest state-level total in the dataset — followed by Ohio and Texas. In total, SSA state-level files list Dorthea in 11 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Dorthea 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 2,430 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.

Dorthea at a glance

Outside the top 1,000

Total births

2,430

Since 1882

143 years of records

Peak year

1921

69 births that year

Strongest decade: 1920s

Current rank

#15,280

Among girls

As of 2024

Active since

1882

Recorded for 143 years

Last year on file: 2024

Dorthea popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1882

Outside the top 1,000
Peak year (1921)
69
Annual births at peak — across 143 years of records
020406080 202419911977196319491935192119071882 5

Dorthea by decade

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

Peak: 1920s
Peak decade
1920s
485 births that decade — 20% of Dorthea's all-time total
1880s161890s161900s481910s2861920s4851930s2621940s1841950s3501960s3291970s1791980s1401990s902000s302010s52020s10

Dorthea by state

Where Dorthea concentrates geographically — total births since 1882

Geographically diffuse
Top 8 states by recorded births for the name Dorthea
Rank State Visual share Births Share of total
#1 Pennsylvania
49 2.0%
#2 Ohio
46 1.9%
#3 Texas
39 1.6%
#4 Illinois
31 1.3%
#5 Missouri
27 1.1%
#6 California
24 1.0%
#7 Oklahoma
22 0.9%
#8 Indiana
17 0.7%
Pennsylvania share of Dorthea's total US births 2.0%
Even split

49 of 2,430 births nationwide. Compared to a flat distribution across 11 reporting states.

Dorthea appears in 11 states. Explore state details →

Frequently Asked Questions

How popular is the name Dorthea?
2,430 babies have been named Dorthea since 1882. It currently ranks #15280 among girls. The peak year was 1921 with 69 births.
When was Dorthea most popular?
Dorthea was most popular in the 1920s decade with 485 total births. The single peak year was 1921.
Where is Dorthea most popular?
The top states for the name Dorthea are Pennsylvania (49 births), Ohio (46 births), Texas (39 births).
How long has the name Dorthea been used?
Dorthea has been recorded in Social Security data since 1882, spanning 143 years of data through 2024.
What names are similar to Dorthea?
Names with a similar sound or spelling include Dorothy, Doris, Dora, Doreen, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Dorthea

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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, 1882–2024 (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.