Klemens
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Meaning
the German and Polish form of Clemens, a Roman name meaning "merciful, gentle"
How popular is Klemens around the world?
Klemens has no published row in the national Social Security baby-name files from 1880 through 2025. Those files omit name-and-sex counts below five, so there is no popularity curve to chart and no basis for saying the name was never used. In Poland, 39 boys named Klemens were born in 2025, the 198th most common name among boys that year.
Klemens is on the official records of Poland and Austria.
United States
no published row
Klemens has no published row in the national Social Security baby-name files from 1880 through 2025. Those files omit name-and-sex counts below five, so there is no popularity curve to chart and no basis for saying the name was never used.
Births with a Social Security record. Source: U.S. Social Security Administration
Poland
1 in 6,300
In Poland, 39 boys named Klemens were born in 2025, the 198th most common name among boys that year.
share of that year’s name registrations
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)
Austria
1 in 11,000
In Austria, 7 boys named Klemens were born in 2025, the 594th most common name among boys that year, spellings that differ only by special characters counted together.
share of that year’s births on record
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)
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 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 Klemens deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Klemens truly comes from, how it traveled, and what the published record can and cannot tell us, without inventing a curve. If you have grown a tree on nametree, it also considers how Klemens fits with your family’s names and surname.
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