Recorded 1938–1938 Boys' name Peak 1938 5 births

Theldon — boys' name

5 babies named Theldon in U.S. Social Security records since 1938, with the highest year being 1938. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1930s5
1930s
Peak decade

100% of everyone ever named Theldon was born in this single decade.

1938
Single peak year

5 babies were named Theldon in 1938 — its busiest year on record.

What the Data Says About Theldon

The Social Security Administration has registered 5 babies named Theldon between 1938 and 1938, spanning 1 consecutive years of U.S. birth records. As a boy's name, Theldon currently falls outside the top 1,000 boys' names for 1938. The name reached its historical peak in 1938, when 5 babies received it in a single year.

Decade-level aggregation shows that Theldon performed strongest in the 1930s, accumulating 5 births during that ten-year window.

No etymological entry is currently available for Theldon 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 5 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.

Theldon at a glance

Last recorded 1938

Total births

5

Since 1938

1 years of records

Peak year

1938

5 births that year

Strongest decade: 1930s

Current rank

Unranked

Outside the modern top-1,000

As of 1938

Active since

1938

Recorded for 1 years

Last year on file: 1938

Theldon popularity over time

Annual U.S. births registered with the Social Security Administration · 1938–1938

Last recorded 1938
Peak year (1938)
5
Annual births at peak — across 1 years of records
5 1938 5

Theldon by decade

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

Peak: 1930s
Peak decade
1930s
5 births that decade — 100% of Theldon's all-time total
1930s5

Frequently Asked Questions

How popular is the name Theldon?
5 babies have been named Theldon since 1938. It was last recorded in 1938. The peak year was 1938 with 5 births.
When was Theldon most popular?
Theldon was most popular in the 1930s decade with 5 total births. The single peak year was 1938.
How long has the name Theldon been used?
Theldon has been recorded in Social Security data since 1938, spanning 1 years of data through 1938.
What names are similar to Theldon?
Names with a similar sound or spelling include Theodore, Theo, Theron, Theadore, and 4 more. These share a common prefix and are also used for boys.

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, 1938–1938 (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.