Recorded 1915–2008 Girls' name Peak 1920 311 births

Theone — girls' name

311 babies named Theone in U.S. Social Security records since 1915, with the highest year being 1920. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s501920s1091930s521940s361950s421960s121970s52000s5
1920s
Peak decade

35% of everyone ever named Theone was born in this single decade.

1920
Single peak year

20 babies were named Theone in 1920 — its busiest year on record.

What the Data Says About Theone

The Social Security Administration has registered 311 babies named Theone between 1915 and 2008, spanning 94 consecutive years of U.S. birth records. As a girl's name, Theone currently falls outside the top 1,000 girls' names for 2008. The name reached its historical peak in 1920, when 20 babies received it in a single year.

Decade-level aggregation shows that Theone performed strongest in the 1920s, accumulating 109 births during that ten-year window. Across the 8 decades of recorded activity, Theone shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Minnesota, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Theone in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Theone 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 311 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.

Theone at a glance

Last recorded 2008

Total births

311

Since 1915

94 years of records

Peak year

1920

20 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 2008

Active since

1915

Recorded for 94 years

Last year on file: 2008

Theone popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2008–1915

Last recorded 2008
Peak year (1920)
20
Annual births at peak — across 94 years of records
0510152025 200819571948194019321927192219171915 7

Theone popularity over time — boys

10 total births recorded since 2009 (Theone as boys' name)

Unisex variant — 10 births
5 20172009 5

Theone by decade

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

Peak: 1920s
Peak decade
1920s
109 births that decade — 35% of Theone's all-time total
1910s501920s1091930s521940s361950s421960s121970s52000s5

Theone by state

Where Theone concentrates geographically — total births since 1915

Geographically diffuse
Top 1 states by recorded births for the name Theone
Rank State Visual share Births Share of total
#1 Minnesota
5 1.6%
Minnesota share of Theone's total US births 1.6%

5 of 311 births nationwide.

Frequently Asked Questions

How popular is the name Theone?
311 babies have been named Theone since 1915. It was last recorded in 2008. The peak year was 1920 with 20 births.
When was Theone most popular?
Theone was most popular in the 1920s decade with 109 total births. The single peak year was 1920.
Where is Theone most popular?
The top states for the name Theone are Minnesota (5 births).
How long has the name Theone been used?
Theone has been recorded in Social Security data since 1915, spanning 94 years of data through 2008.
What names are similar to Theone?
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.

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, 1915–2008 (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.