Casimir

#2,035 for boys in 2025, 73 births

Peak · boys
1917 · 205 births
Debut · boys
5 births
In top 100 · boys
never
of 146 years
Total births · boys
5,248
since 1894

Casimir over time

boys

Rank among boys' names. Casimir has never cracked the top 300 here.

#1#10#100#1,000#10,000rank188019001920194019601980200020201950peak #393, 1917boys
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yearboys
rankbirths
2025#2,03573
2024#2,37059
2023#2,36258
2022#2,40858
2021#3,02140
2020#3,65329
2019#3,71629
2018#3,52431
2017#4,22424
2016#3,68129
2015#3,29934
2014#3,45631
2013#2,99837
2012#4,25123
2011#4,35622
2010#4,09924
2009#4,42922
2008#3,74428
2007#4,01125
2006#5,52515
2005#3,94123
2004#3,86023
2003#5,27114
2002#3,67023
2001#6,01311
2000#4,57316
1999#5,03513
1998#4,65014
1997#3,60119
1996#5,53510
1995#5,50110
1994#4,80312
1993#4,44713
1992#3,60417
1991#5,5219
1990#3,05820
1989#3,32517
1988#4,16211
1987#3,95911
1986#5,9266
1985#3,07015
1984#2,70617
1983#3,88410
1982#2,97215
1981#3,03014
1980#2,83116
1979#3,81010
1978#3,8579
1977#3,03713
1976#3,7249
1975#5,4645
1974#2,94612
1973#3,22310
1972#3,15210
1971#3,14610
1970#2,89111
1969#2,86110
1968#1,89418
1967#2,47011
1966#3,2497
1965#2,08415
1964#2,40912
1963#2,04416
1962#2,50411
1961#1,99717
1960#2,04216
1959#2,29513
1958#1,67722
1957#2,09315
1956#1,88618
1955#1,57224
1954#1,38230
1953#1,26135
1952#1,34731
1951#1,37329
1950#1,22035
1949#1,34829
1948#1,32330
1947#1,55523
1946#1,35527
1945#1,03938
1944#1,23529
1943#1,12037
1942#1,00744
1941#1,16932
1940#1,09036
1939#1,16831
1938#97742
1937#96742
1936#1,01039
1935#93046
1934#88151
1933#69474
1932#85256
1931#71772
1930#63493
1929#65788
1928#61798
1927#610104
1926#580114
1925#558123
1924#485163
1923#497152
1922#477168
1921#449188
1920#413206
1919#394220
1918#444179
1917#393205
1916#414181
1915#403178
1914#469106
1913#43695
1912#48167
1911#56229
1910#72917
1909#67916
1908#51324
1907#77812
1906#67413
1905#69912
1904#1,0646
1903#1,0096
1902#8628
1901#8587
1900#1,0507
1899#8577
1898—
1897#1,0575
1896#8268
1895#9786
1894#1,0745
1893—
1892—
1891—
1890—
1889—
1888—
1887—
1886—
1885—
1884—
1883—
1882—
1881—
1880—
First appearance
1894

The first year at least five boys were named Casimir! It came in at #1,074, and was given to 5 baby boys.


Quietest stretch: 1897–1898, when fewer than 6 boys a year got the name.

Where Casimir is popular in 1950

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Casimir, so not publishedAKMaine: fewer than 5 boys named Casimir, so not publishedMEVermont: fewer than 5 boys named Casimir, so not publishedVTNew Hampshire: fewer than 5 boys named Casimir, so not publishedNHWashington: fewer than 5 boys named Casimir, so not publishedWAIdaho: fewer than 5 boys named Casimir, so not publishedIDMontana: fewer than 5 boys named Casimir, so not publishedMTNorth Dakota: fewer than 5 boys named Casimir, so not publishedNDMinnesota: fewer than 5 boys named Casimir, so not publishedMNIllinois: #394 for boys · 11 births · 1 in 8,430 boysILWisconsin: fewer than 5 boys named Casimir, so not publishedWIMichigan: #467 for boys · 6 births · 1 in 12,961 boysMINew York: fewer than 5 boys named Casimir, so not publishedNYMassachusetts: fewer than 5 boys named Casimir, so not publishedMARhode Island: fewer than 5 boys named Casimir, so not publishedRIOregon: fewer than 5 boys named Casimir, so not publishedORNevada: fewer than 5 boys named Casimir, so not publishedNVWyoming: fewer than 5 boys named Casimir, so not publishedWYSouth Dakota: fewer than 5 boys named Casimir, so not publishedSDIowa: fewer than 5 boys named Casimir, so not publishedIAIndiana: fewer than 5 boys named Casimir, so not publishedINOhio: fewer than 5 boys named Casimir, so not publishedOHPennsylvania: fewer than 5 boys named Casimir, so not publishedPANew Jersey: fewer than 5 boys named Casimir, so not publishedNJConnecticut: fewer than 5 boys named Casimir, so not publishedCTCalifornia: fewer than 5 boys named Casimir, so not publishedCAUtah: fewer than 5 boys named Casimir, so not publishedUTColorado: fewer than 5 boys named Casimir, so not publishedCONebraska: fewer than 5 boys named Casimir, so not publishedNEMissouri: fewer than 5 boys named Casimir, so not publishedMOKentucky: fewer than 5 boys named Casimir, so not publishedKYWest Virginia: fewer than 5 boys named Casimir, so not publishedWVVirginia: fewer than 5 boys named Casimir, so not publishedVAMaryland: fewer than 5 boys named Casimir, so not publishedMDDelaware: fewer than 5 boys named Casimir, so not publishedDEArizona: fewer than 5 boys named Casimir, so not publishedAZNew Mexico: fewer than 5 boys named Casimir, so not publishedNMKansas: fewer than 5 boys named Casimir, so not publishedKSArkansas: fewer than 5 boys named Casimir, so not publishedARTennessee: fewer than 5 boys named Casimir, so not publishedTNNorth Carolina: fewer than 5 boys named Casimir, so not publishedNCSouth Carolina: fewer than 5 boys named Casimir, so not publishedSCDistrict of Columbia: fewer than 5 boys named Casimir, so not publishedDCOklahoma: fewer than 5 boys named Casimir, so not publishedOKLouisiana: fewer than 5 boys named Casimir, so not publishedLAMississippi: fewer than 5 boys named Casimir, so not publishedMSAlabama: fewer than 5 boys named Casimir, so not publishedALGeorgia: fewer than 5 boys named Casimir, so not publishedGAHawaii: fewer than 5 boys named Casimir, so not publishedHITexas: fewer than 5 boys named Casimir, so not publishedTXFlorida: fewer than 5 boys named Casimir, so not publishedFL

Hover or tap a state for its numbers.

Top states · boys
  1. Illinois#394 · 1 in 8,430
  2. Michigan#467 · 1 in 12,961

Best ever in a state: #122 in Illinois, 1911.

Show every state
StateRankBirthsShare
Illinois#394111 in 8,430
Michigan#46761 in 12,961
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Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.

See more about Casimir
Momentum · boys
Rising
  • 335 spots since 2024 (#2,370 → #2,035)
  • 1,618 spots since 2020 (#3,653 → #2,035)
  • 1,264 spots since 2015 (#3,299 → #2,035)
  • Biggest jump: 365 spots in 1905 (#1,064 → #699)
  • Biggest drop: 231 spots in 1897 (#826 → #1,057)
Rise & fade · boys
23 yrs to peak
  • Debuted 1894
  • Peaked 1917 at #393 (205 births)
  • Births halved by 1928, 11 yrs later
Top of the charts · boys
Top 1,000 for 38 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 38 yrs · run 1905–1935
Share of babies · boys
1 in 4,455
  • Highest: 1 in 4,455 boys born in 1919 were named Casimir (0.02%)
  • Latest: 1 in 23,398 boys born in 2025 (0.00%)
  • Its best rank, #393 in 1917, was only 1 in 4,515 (0.02%) — a smaller share of a much bigger birth year
Era · boys
The 1920s
  • 26.8% of all boys named Casimir (1,404) were born in this decade
Show by decade
DecadeBirthsBest rankAvg rank
1890s31#826 (1896)#958
1900s111#513 (1908)#819
1910s1,277#393 (1917)#473
1920s1,404#413 (1920)#534
1930s546#634 (1930)#883
1940s325#1,007 (1942)#1,224
1950s252#1,220 (1950)#1,611
1960s133#1,894 (1968)#2,355
1970s99#2,891 (1970)#3,525
1980s132#2,706 (1984)#3,587
1990s137#3,058 (1990)#4,576
2000s200#3,670 (2002)#4,504
2010s284#2,998 (2013)#3,760
2020s317#2,035 (2025)#2,642

All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.

Casimir in 1950

boys
#1,220
35 births · 1 in 51,150 boys

Top boys' names in 1950

  1. #1James86,228
  2. #2Robert83,553
  3. #3John79,412
  4. #4Michael65,136
  5. #5David60,729
  6. #6William60,680
  7. #7Richard51,003
  8. #8Thomas45,596
  9. #9Charles39,095
  10. #10Gary33,737
  11. #1,220Casimir35
More about 1950

boys

1,790,262 boys got a published name in 1950; 1 in 51,150 of them was named Casimir, which outranked 70.9% of the 4,196 boys' names that year. The ten most popular names covered 33.8% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Casimir
  1. #1,203Santo36
  2. #1,203Therman36
  3. #1,203Zack36
  4. #1,220Casimir35
  5. #1,220Arlo35
  6. #1,220Bailey35
  7. #1,220Chip35
  8. #1,232Antony34
  9. #1,232Bret34
  10. #1,232Britt34

Tied with 11 names at #1,220; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1949
Risers
  1. ↑ 744Ezzard#1,616 → #872
  2. ↑ 510Kelvin#1,085 → #575
  3. ↑ 447Nancy#1,297 → #850
  4. ↑ 420Samual#1,380 → #960
  5. ↑ 376Shaun#1,275 → #899
Fallers
  1. ↓ 371Sharon#885 → #1,256
  2. ↓ 369Melvyn#770 → #1,139
  3. ↓ 367Les#997 → #1,364
  4. ↓ 351Delmas#905 → #1,256
  5. ↓ 315Denzil#808 → #1,123

Among names in the top 1,000 of either year.

See the top 100 for 1950 →