Basia
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Meaning
diminutive of Barbara, said BA-shah. The -sia ending is the tenderest register of Polish diminutives, Basia from Barbara as Zosia from Zofia and Kasia from Katarzyna, and jazz singer Basia charted in 1980s America under the diminutive alone; proof the home form can stand on its own abroad.
The formal names behind Basia
Basia is an established short form of this name.
Barbara · Greek origin · foreign woman
How popular is Basia around the world?
In the United States, 11 babies were named Basia between 2020 and 2025.
Basia is on the official records of the United States.
United States
1 in 2M
In the United States, 11 babies were named Basia between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Basia 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
Montevideo City
last on record 1942
Basia is not on the 2011 record for Montevideo, whose registry withholds nothing, so the spelling was not given there that year.
The count never rose above 1 in a year, too few to chart.
Births in the department of Montevideo (not all of Uruguay) by first name and year of birth, 1940–2011, from the city’s civil registry, which writes names in capitals, almost always without accents; counted as spelling groups (accent and punctuation variants merged), nothing is withheld at source, and 2012 is excluded as a partial year. Source: Servicio de Registro Civil, Intendencia de Montevideo, Partidas de Registro Civil de Montevideo (Licencia de Datos Abiertos - Uruguay); 2012 dropped as partial
Poland
last on record 2019
Basia is not on the 2025 record for Poland, where names given fewer than 2 times in a year are withheld at source.
The count never rose above 3 in a year, too few to chart.
First names given to children born in Poland by year of birth, 2000–2025, from the PESEL population register (Ministry of Digital Affairs); exact spellings count separately (Łukasz and Lukasz are different names), names given fewer than 5 times in a year were left off the list through 2012 and fewer than 2 times from 2013, and the register also counts children born abroad, so its yearly sums run above Poland’s live births. Shares divide by the register’s own published total for the year, never by births. Source: Ministry of Digital Affairs, PESEL register (dane.gov.pl)
Not on the record in Spain, Mexico City, Argentina, Puerto Rico, England and Wales, Canada, Ireland, New Zealand and Scotland: 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 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 the Austria record for 1984 to 2025: Statistik Austria publishes every first name down to a single birth, so this name was not given there in those years (before 2010 the record covers babies with Austrian citizenship only). Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
When you meet Basia
Most people given the name Basia in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Basia deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Basia 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 Basia fits with your family’s names and surname.
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