Recorded 1917–2020 Boys' name Peak 2009 93 births

Thales — boys' name

93 babies named Thales in U.S. Social Security records since 1917, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s52000s292010s532020s6
2010s
Peak decade

57% of everyone ever named Thales was born in this single decade.

2009
Single peak year

17 babies were named Thales in 2009 — its busiest year on record.

What the Data Says About Thales

The Social Security Administration has registered 93 babies named Thales between 1917 and 2020, spanning 104 consecutive years of U.S. birth records. As a boy's name, Thales currently falls outside the top 1,000 boys' names for 2020. The name reached its historical peak in 2009, when 17 babies received it in a single year.

Decade-level aggregation shows that Thales performed strongest in the 2010s, accumulating 53 births during that ten-year window. Across the 4 decades of recorded activity, Thales shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Tennessee, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Thales in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Thales 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 93 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.

Thales at a glance

Last recorded 2020

Total births

93

Since 1917

104 years of records

Peak year

2009

17 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2020

Active since

1917

Recorded for 104 years

Last year on file: 2020

Thales popularity over time

Annual U.S. births registered with the Social Security Administration · 2020–1917

Last recorded 2020
Peak year (2009)
17
Annual births at peak — across 104 years of records
05101520 2020201720142012201020081917 5

Thales by decade

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

Peak: 2010s
Peak decade
2010s
53 births that decade — 57% of Thales's all-time total
1910s52000s292010s532020s6

Thales by state

Where Thales concentrates geographically — total births since 1917

Geographically diffuse
Top 1 states by recorded births for the name Thales
Rank State Visual share Births Share of total
#1 Tennessee
5 5.4%
Tennessee share of Thales's total US births 5.4%

5 of 93 births nationwide.

Frequently Asked Questions

How popular is the name Thales?
93 babies have been named Thales since 1917. It was last recorded in 2020. The peak year was 2009 with 17 births.
When was Thales most popular?
Thales was most popular in the 2010s decade with 53 total births. The single peak year was 2009.
Where is Thales most popular?
The top states for the name Thales are Tennessee (5 births).
How long has the name Thales been used?
Thales has been recorded in Social Security data since 1917, spanning 104 years of data through 2020.
What names are similar to Thales?
Names with a similar sound or spelling include Thaddeus, Thad, Thatcher, Thane, 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, 1917–2020 (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.