Thales
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Meaning
from Greek thallo, "to blossom", and the name of Thales of Miletus, a Greek philosopher and mathematician of the 6th century BC
How popular is Thales around the world?
In the United States, 6 babies were named Thales between 2020 and 2025. In Austria, 1 boy named Thales was born in 2025, ranked 1,842nd among boys that year, spellings that differ only by special characters counted together.
Thales is on the official records of the United States, Austria and Spain.
United States
1 in 3.6M
In the United States, 6 babies were named Thales between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Thales has stayed rare in US records the whole time: no peak decade to name.
Births with a Social Security record. Source: U.S. Social Security Administration
Austria
1 in 76,000
In Austria, 1 boy named Thales was born in 2025, ranked 1,842nd among boys that year, spellings that differ only by special characters counted together.
The count never rose above 2 in a year, too few to chart.
Live births in Austria by year of birth, 1984–2025, from Statistik Austria’s first-name statistics; spellings that differ only by special characters are counted together (umlauts stay apart), every name down to a single birth is published, and the count covers babies with Austrian citizenship only until 2009, every baby from 2010, and from 2015 also births abroad to mothers living in Austria. Shares divide by Statistik Austria’s count of live births from 2010, and before that by the file’s own total for the year. Source: Statistik Austria - data.statistik.gv.at (OGDEXT_VORNAMEN_1, updated 2026-07-09)
Spain
1 in 1.1M
In Spain, 40 residents are named Thales, ranked 17,587th among men, with a mean age of 27.1 years.
Residents of Spain on 1 January 2025. Spain publishes how old a name’s living bearers are, not a birth series, so there is no year chart. Source: INE (Spain), Censo de Población anual, 1 January 2025
Argentina
last on record 2019
Thales is not on the 2024 record for Argentina, where small counts are withheld at source.
The count never rose above 7 in a year, too few to chart.
Given-name components of births in Argentina 2012–2024; national cells are lower bounds and no sex split is published. Source: RENAPER (Argentina), Dirección Nacional de Población, given names 2012-2024
Canada
last on record 2017
Thales is not on the 2024 record for Canada, where names under 5 in a year are excluded at source.
The count never rose above 5 in a year, too few to chart.
First given names from provincial and territorial vital statistics across Canada; any name-sex-year under 5 is excluded at source, and small Quebec counts carry a randomized adjustment made at source. Shares divide by Statistics Canada’s count of live births for the year; the 2024 count is preliminary. Source: Statistics Canada, first names at birth (table 17-10-0147-01)
Not on 12 other recordsWhy
- Not on the record in Mexico City, Puerto Rico, England and Wales, Ireland, New Zealand, Scotland and Poland: those registries withhold small counts, so rare uses may sit below their floors.
- Not on the Chile record: nametree keeps spellings that reached 5 registrations in some year, so rarer uses are not shown.
- Not on the Montevideo record for 1940 to 2011: that registry withholds nothing, so this spelling was not given there in those years.
- Not on the France record: nametree keeps spellings that reached 20 births in some year, so rarer uses are not shown.
- Not on the South Australia record for 1944 to 2017: that registry withholds nothing, so this spelling was not given there in those years.
- Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
The Thales deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Thales truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Thales fits with your family’s names and surname.
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