Fun Facts About the Name Casimiro
- More than 1 thousand babies named Casimiro: U.S. records list 1,084 babies given the name Casimiro from 1880 through 2025.
What Does the Name Casimiro Mean?
Casimiro is the Italian, Spanish, and Portuguese form of the name Casimir, which comes from the Polish Kazimierz. The Polish name is usually explained as a compound of the Slavic root kazać, meaning "to proclaim" or "to command," and mir, meaning "peace," so the customary sense is "he who proclaims peace." A less common explanation takes the first element from kazić, "to destroy," which would point instead to something like "destroyer of peace." The older Slavic form is not preserved with a clear gloss, so the precise original sense is debated, though the "proclaims peace" reading is the one generally given. In each of the Romance languages that adopted it, Casimiro keeps the same meaning; the name does not have a separate Italian, Spanish, or Portuguese etymology of its own.
Casimiro Name History & Origins
The name was recorded in Latin as Casimirus, the form used for the Polish rulers called Kazimierz, among them Kazimierz I in the eleventh century, Kazimierz III the Great in the fourteenth century, and Kazimierz IV Jagiellon in the fifteenth century. From this Latin form the Western European versions descend, including Italian, Spanish, and Portuguese Casimiro.
The name's use outside Poland is bound up with Saint Casimir (Kazimierz, 1458 - 1484), a Polish prince and son of Kazimierz IV, who was canonized in 1521 and became a patron saint of Poland and Lithuania. Veneration of him carried the name into Italy and the Iberian Peninsula, where Casimiro became the settled form; a feminine Casimira also appears in these languages. The Polish royal name Kazimierz also survives in the Kraków district of Kazimierz, founded under Kazimierz III.
How Popular is the Name Casimiro?
Casimiro recorded its highest annual U.S. birth count in 1921. Its best rank was #803 in 1881.
U.S. name popularity from 1880-2025, based on SSA data. Rank shows how the name compares with other names - lower numbers mean greater popularity. Births shows how many babies received the name each year.
| Year | Rank | Births | % |
|---|---|---|---|
| 2025 | #10,908 | 6 | 0.0004% |
| 2023 | #12,538 | 5 | 0.0003% |
| 2022 | #10,008 | 7 | 0.0004% |
| 2021 | #8,285 | 9 | 0.0005% |
| 2019 | #9,039 | 8 | 0.0004% |
| 2018 | #12,484 | 5 | 0.0003% |
| 2017 | #11,006 | 6 | 0.0003% |
| 2016 | #8,984 | 8 | 0.0004% |
| 2009 | #8,409 | 9 | 0.0005% |
| 2008 | #12,831 | 5 | 0.0002% |
| 2006 | #10,882 | 6 | 0.0003% |
| 2005 | #8,416 | 8 | 0.0004% |
| 2004 | #7,048 | 10 | 0.0005% |
| 2003 | #7,959 | 8 | 0.0004% |
| 2002 | #9,564 | 6 | 0.0003% |
| 2001 | #6,529 | 10 | 0.0005% |
| 2000 | #5,627 | 12 | 0.0006% |
| 1999 | #10,133 | 5 | 0.0003% |
| 1998 | #7,683 | 7 | 0.0004% |
| 1996 | #5,594 | 10 | 0.0005% |
| 1995 | #5,992 | 9 | 0.0005% |
| 1994 | #7,919 | 6 | 0.0003% |
| 1993 | #5,827 | 9 | 0.0005% |
| 1992 | #5,286 | 10 | 0.0005% |
| 1991 | #5,145 | 10 | 0.0005% |
| 1990 | #6,508 | 7 | 0.0003% |
| 1989 | #4,055 | 13 | 0.0006% |
| 1988 | #5,850 | 7 | 0.0004% |
| 1987 | #3,756 | 12 | 0.0006% |
| 1986 | #3,916 | 11 | 0.0006% |
| 1985 | #2,961 | 16 | 0.0009% |
| 1984 | #3,960 | 10 | 0.0006% |
| 1983 | #4,179 | 9 | 0.0005% |
| 1982 | #3,999 | 10 | 0.0006% |
| 1981 | #4,198 | 9 | 0.0005% |
| 1980 | #5,620 | 6 | 0.0003% |
| 1979 | #4,123 | 9 | 0.0005% |
| 1978 | #3,900 | 9 | 0.0005% |
| 1977 | #5,222 | 6 | 0.0004% |
| 1976 | #2,965 | 13 | 0.0008% |
| 1975 | #2,922 | 13 | 0.0008% |
| 1974 | #3,162 | 11 | 0.0007% |
| 1973 | #2,522 | 15 | 0.0010% |
| 1972 | #4,509 | 6 | 0.0004% |
| 1971 | #2,697 | 13 | 0.0007% |
| 1970 | #3,313 | 9 | 0.0005% |
| 1969 | #4,006 | 6 | 0.0003% |
| 1968 | #2,757 | 10 | 0.0006% |
| 1967 | #2,152 | 14 | 0.0008% |
| 1966 | #2,055 | 15 | 0.0008% |
| 1965 | #3,016 | 8 | 0.0004% |
| 1964 | #2,558 | 11 | 0.0006% |
| 1963 | #2,698 | 10 | 0.0005% |
| 1962 | #3,079 | 8 | 0.0004% |
| 1961 | #2,738 | 10 | 0.0005% |
| 1960 | #3,717 | 6 | 0.0003% |
| 1959 | #2,553 | 11 | 0.0005% |
| 1958 | #3,319 | 7 | 0.0003% |
| 1957 | #2,291 | 13 | 0.0006% |
| 1956 | #2,175 | 14 | 0.0007% |
| 1955 | #3,001 | 8 | 0.0004% |
| 1954 | #2,220 | 13 | 0.0006% |
| 1953 | #1,772 | 19 | 0.0010% |
| 1952 | #2,546 | 10 | 0.0005% |
| 1951 | #2,268 | 12 | 0.0006% |
| 1950 | #2,800 | 8 | 0.0004% |
| 1949 | #3,065 | 7 | 0.0004% |
| 1948 | #2,129 | 13 | 0.0007% |
| 1947 | #1,794 | 18 | 0.0010% |
| 1946 | #2,421 | 10 | 0.0006% |
| 1945 | #3,033 | 6 | 0.0004% |
| 1944 | #2,901 | 7 | 0.0005% |
| 1943 | #2,998 | 7 | 0.0005% |
| 1942 | #2,743 | 8 | 0.0006% |
| 1941 | #2,096 | 12 | 0.0010% |
| 1940 | #2,698 | 8 | 0.0007% |
| 1939 | #2,183 | 11 | 0.0010% |
| 1938 | #3,595 | 5 | 0.0005% |
| 1937 | #1,536 | 20 | 0.0019% |
| 1936 | #2,480 | 9 | 0.0009% |
| 1935 | #2,270 | 11 | 0.0011% |
| 1934 | #2,149 | 12 | 0.0012% |
| 1933 | #2,232 | 11 | 0.0011% |
| 1931 | #1,705 | 18 | 0.0017% |
| 1930 | #1,901 | 16 | 0.0015% |
| 1929 | #1,623 | 21 | 0.0020% |
| 1928 | #1,839 | 18 | 0.0016% |
| 1927 | #2,313 | 13 | 0.0012% |
| 1926 | #1,617 | 22 | 0.0020% |
| 1925 | #2,457 | 12 | 0.0011% |
| 1924 | #2,060 | 16 | 0.0014% |
| 1923 | #2,351 | 13 | 0.0012% |
| 1922 | #2,259 | 14 | 0.0013% |
| 1921 | #1,418 | 28 | 0.0025% |
| 1920 | #2,355 | 13 | 0.0012% |
| 1919 | #2,168 | 14 | 0.0014% |
| 1918 | #2,420 | 12 | 0.0012% |
| 1917 | #2,768 | 9 | 0.0010% |
| 1916 | #2,577 | 10 | 0.0011% |
| 1915 | #2,087 | 13 | 0.0015% |
| 1914 | #2,125 | 10 | 0.0015% |
| 1912 | #1,637 | 10 | 0.0023% |
| 1881 | #803 | 6 | 0.0060% |
Name popularity over more than a century, based on Social Security Administration data. Gaps in the chart indicate years when the name does not appear in the published records.
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How the Name Casimiro Shapes Your Personality and Life?
You are cheerful and friendly, but are apt to have an emotional life. You like to have several lines of effort going at once. You are a good talker and promoter and seldom worry over anything. At times, you can be impatient, and impulsive. You have the ability to bring an idea to completion. You can express yourself joyously and constructively. You might be psychic, but not know it. You are bold, independent, inquisitive and interested in research. You know what you want and why you want it.
You find the best contentment in life when you own your own home and provide well for your family and loved ones. You have a great sense of responsibility and duty. You are comforting, appreciative and affectionate. Your obligation in life is to hold justice and truth, and if you follow the Law, you can find the great happiness and satisfaction.
✦ Casimiro's Deeper Meaning & Tips for Parents Discover Casimiro's symbolic numbers and practical tips for choosing a name that complements your child's birth date.