Every name given to a US baby since 1880, ranked year by year — straight from Social Security Administration birth records. 105,966 names · 375,362,447 births · public domain.

Casimiro

#4,567 most common boys' name of all time · #11,258 across all names · 100% male / 0% female · used 1881–2025

Rank among boys
#4,567
Rank overall
#11,258 of 105,966
First appeared
1881
Years on the list
103 of 146
All-time
1,084
Since 2016
54
Peak year
1921 #1,422
Best rank
#846 1881
Girls Boys peak 28/yr
1900192019401960198020002020

Casimiro first appears in 1881. That's the first year it was given to at least 5 US babies, which is the threshold below which the SSA withholds a name.

Year by year

YearGirlsBoysTotalRank
2025 — 6 6 #10,721
2023 — 5 5 #12,282
2022 — 7 7 #9,839
2021 — 9 9 #8,183
2019 — 8 8 #8,912
2018 — 5 5 #12,201
2017 — 6 6 #10,809
2016 — 8 8 #8,839
2009 — 9 9 #8,319
2008 — 5 5 #12,604
2006 — 6 6 #10,699
2005 — 8 8 #8,323
2004 — 10 10 #6,995
2003 — 8 8 #7,855
2002 — 6 6 #9,412
2001 — 10 10 #6,459
2000 — 12 12 #5,605
1999 — 5 5 #9,948
1998 — 7 7 #7,598
1996 — 10 10 #5,558
1995 — 9 9 #5,942
1994 — 6 6 #7,801
1993 — 9 9 #5,789
1992 — 10 10 #5,254
1991 — 10 10 #5,123
1990 — 7 7 #6,448
1989 — 13 13 #4,033
1988 — 7 7 #5,790
1987 — 12 12 #3,752
1986 — 11 11 #3,906
1985 — 16 16 #2,958
1984 — 10 10 #3,949
1983 — 9 9 #4,166
1982 — 10 10 #3,983
1981 — 9 9 #4,175
1980 — 6 6 #5,573
1979 — 9 9 #4,099
1978 — 9 9 #3,876
1977 — 6 6 #5,151
1976 — 13 13 #2,963
1975 — 13 13 #2,919
1974 — 11 11 #3,149
1973 — 15 15 #2,527
1972 — 6 6 #4,481
1971 — 13 13 #2,703
1970 — 9 9 #3,308
1969 — 6 6 #3,980
1968 — 10 10 #2,753
1967 — 14 14 #2,157
1966 — 15 15 #2,062
1965 — 8 8 #3,018
1964 — 11 11 #2,562
1963 — 10 10 #2,697
1962 — 8 8 #3,063
1961 — 10 10 #2,729
1960 — 6 6 #3,694
1959 — 11 11 #2,554
1958 — 7 7 #3,309
1957 — 13 13 #2,289
1956 — 14 14 #2,186
1955 — 8 8 #2,998
1954 — 13 13 #2,225
1953 — 19 19 #1,784
1952 — 10 10 #2,538
1951 — 12 12 #2,265
1950 — 8 8 #2,807
1949 — 7 7 #3,049
1948 — 13 13 #2,135
1947 — 18 18 #1,804
1946 — 10 10 #2,429
1945 — 6 6 #3,036
1944 — 7 7 #2,891
1943 — 7 7 #2,991
1942 — 8 8 #2,741
1941 — 12 12 #2,103
1940 — 8 8 #2,698
1939 — 11 11 #2,182
1938 — 5 5 #3,576
1937 — 20 20 #1,546
1936 — 9 9 #2,485
1935 — 11 11 #2,271
1934 — 12 12 #2,143
1933 — 11 11 #2,240
1931 — 18 18 #1,711
1930 — 16 16 #1,900
1929 — 21 21 #1,626
1928 — 18 18 #1,839
1927 — 13 13 #2,315
1926 — 22 22 #1,626
1925 — 12 12 #2,456
1924 — 16 16 #2,065
1923 — 13 13 #2,343
1922 — 14 14 #2,255
1921 — 28 28 #1,422
1920 — 13 13 #2,358
1919 — 14 14 #2,170
1918 — 12 12 #2,413
1917 — 9 9 #2,754
1916 — 10 10 #2,564
1915 — 13 13 #2,092
1914 — 10 10 #2,134
1912 — 10 10 #1,651
1881 — 6 6 #846