Namebino · Girl names · Boy names

Casimir

Boy's name · #2039 in the US (2025) · Vintage

Popularity over time

Casimir is an heirloom: its strongest era came around 1917, when it ranked #393. It has thinned since but never left the records — about 5,200 boys since 1894, ranked #2039 today.

Across the states

See where Casimir is more common.

Appears in 2020-2025 birth records of 3 states. See the full state-by-state map on this page.

Around the world

See how Casimir ranks in other countries and regions.

#2,153 in Austria (2025) · #2,527 in Canada (2025) · #3,707 in France (2025) · #2,159 in Sweden (2024) · #3,689 in England & Wales (2024) · #620 in Poland (2020) · #1,395 in Belgium (2010) · #3,677 in Ecuador (2004).

Famous Casimirs

• Casimir Funk — Polish-American biochemist (1884–1967)
• Casimir III the Great — King of Poland from 1333 to 1370 (1310–1370)
• Casimir IV Jagiellon — King of Poland (1447–1492) and Grand Duke of Lithuania (1440–1492) (1427–1492)
• Casimir I the Restorer — Duke of Poland (1016–1058)
• Casimir II the Just — High Duke of Poland (1138–1194)
• Casimir Pulaski — Polish nobleman and American Revolutionary War general (1745–1779)
• Casimir Delavigne — French poet and dramatist (1793–1843)

In stories & tradition

• Casimir — L'Île aux enfants (French TV series)

What Casimirs become

Among 246 notable people named Casimir:

Business leaders appear 1.93× more often than among typical names — e.g. Casimir Ehrnrooth, Finnish businessperson (1931–2015).

Similar names: Mace · Casper · Nikola · Vladimir · Damir · Mikhail

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.

About · Privacy Policy · Terms of Service