Isidore is an uncommon boys' name that peaked in 1919 and has since faded.
Isidore is a boy name. In 2025 it ranked #3,607 for boy births in the United States (and #7,781 across all names), given to 31 babies. Isidore was first reported in SSA data in 1881 and peaked in 1919 (183 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 31 | 31 | #3,607 |
| 2024 | 33 | 33 | #3,483 |
| 2023 | 34 | 34 | #3,447 |
| 2022 | 16 | 16 | #5,713 |
| 2021 | 31 | 31 | #3,606 |
| 2020 | 11 | 11 | #7,207 |
| 2019 | 20 | 20 | #4,868 |
| 2018 | 26 | 26 | #4,039 |
| 2017 | 14 | 14 | #6,150 |
| 2016 | 11 | 11 | #7,330 |
| 2015 | 11 | 11 | #7,253 |
| 2014 | 15 | 15 | #5,836 |
| 2013 | 13 | 13 | #6,391 |
| 2012 | 5 | 5 | #12,989 |
| 2011 | 7 | 7 | #10,034 |
| 2010 | 8 | 8 | #9,117 |
| 2009 | 5 | 5 | #13,209 |
| 2008 | 9 | 9 | #8,557 |
| 2007 | 9 | 9 | #8,466 |
| 2006 | 5 | 5 | #12,768 |
| 2005 | 7 | 7 | #9,507 |
| 2004 | 6 | 6 | #10,477 |
| 2003 | 7 | 7 | #9,038 |
| 2002 | 10 | 10 | #6,726 |
| 2000 | 6 | 6 | #9,553 |
| 1999 | 5 | 5 | #10,550 |
| 1996 | 5 | — | #9,586 |
| 1992 | 6 | — | #7,842 |
| 1991 | 5 | — | #8,726 |
| 1990 | 9 | — | #5,550 |
| 1988 | 5 | — | #7,741 |
| 1985 | 7 | — | #5,390 |
| 1981 | 8 | — | #4,700 |
| 1978 | 6 | — | #5,347 |
| 1977 | 5 | — | #6,243 |
| 1976 | 6 | — | #5,208 |
| 1972 | 6 | — | #4,666 |
| 1970 | 8 | — | #3,648 |
| 1969 | 7 | — | #3,742 |
| 1968 | 7 | — | #3,498 |
| 1967 | 11 | — | #2,539 |
| 1965 | 8 | — | #3,096 |
| 1964 | 6 | — | #3,798 |
| 1963 | 5 | — | #4,305 |
| 1962 | 20 | — | #1,832 |
| 1961 | 16 | — | #2,098 |
| 1960 | 18 | — | #1,942 |
| 1959 | 10 | — | #2,724 |
| 1958 | 13 | — | #2,312 |
| 1957 | 10 | — | #2,731 |
| 1956 | 12 | — | #2,427 |
| 1955 | 15 | — | #2,088 |
| 1954 | 14 | — | #2,157 |
| 1953 | 19 | — | #1,791 |
| 1952 | 13 | — | #2,204 |
| 1951 | 20 | — | #1,700 |
| 1950 | 9 | — | #2,666 |
| 1949 | 14 | — | #2,066 |
| 1948 | 12 | — | #2,270 |
| 1947 | 10 | — | #2,578 |
| 1946 | 8 | — | #2,796 |
| 1945 | 9 | — | #2,482 |
| 1944 | 10 | — | #2,379 |
| 1943 | 15 | — | #1,946 |
| 1942 | 7 | — | #3,071 |
| 1941 | 9 | — | #2,560 |
| 1940 | 7 | — | #3,000 |
| 1939 | 16 | — | #1,755 |
| 1938 | 12 | — | #2,128 |
| 1937 | 16 | — | #1,793 |
| 1936 | 13 | — | #2,005 |
| 1935 | 14 | — | #1,981 |
| 1934 | 16 | — | #1,811 |
| 1933 | 13 | — | #2,039 |
| 1932 | 12 | — | #2,249 |
| 1931 | 29 | — | #1,297 |
| 1930 | 39 | — | #1,126 |
| 1929 | 32 | — | #1,250 |
| 1928 | 56 | — | #896 |
| 1927 | 38 | — | #1,169 |
| 1926 | 60 | — | #865 |
| 1925 | 77 | — | #752 |
| 1924 | 96 | — | #659 |
| 1923 | 102 | — | #637 |
| 1922 | 128 | — | #561 |
| 1921 | 130 | — | #547 |
| 1920 | 130 | — | #535 |
| 1919 | 183 | — | #436 |
| 1918 | 171 | — | #454 |
| 1917 | 174 | — | #430 |
| 1916 | 179 | — | #419 |
| 1915 | 182 | — | #399 |
| 1914 | 156 | — | #379 |
| 1913 | 115 | — | #402 |
| 1912 | 101 | — | #383 |
| 1911 | 53 | — | #393 |
| 1910 | 43 | — | #410 |
| 1909 | 28 | — | #492 |
| 1908 | 32 | — | #425 |
| 1907 | 16 | — | #648 |
| 1906 | 17 | — | #576 |
| 1905 | 10 | — | #817 |
| 1904 | 16 | — | #578 |
| 1903 | 11 | — | #717 |
| 1902 | 9 | — | #825 |
| 1901 | 5 | — | #1,130 |
| 1900 | 15 | — | #662 |
| 1899 | 14 | — | #529 |
| 1898 | 7 | — | #934 |
| 1897 | 9 | — | #757 |
| 1896 | 10 | — | #751 |
| 1895 | 8 | — | #834 |
| 1894 | 8 | — | #821 |
| 1893 | 8 | — | #797 |
| 1892 | 8 | — | #831 |
| 1889 | 7 | — | #842 |
| 1888 | 5 | — | #1,107 |
| 1887 | 6 | — | #870 |
| 1886 | 5 | — | #1,034 |
| 1884 | 5 | — | #1,047 |
| 1882 | 5 | — | #1,014 |
| 1881 | 6 | — | #828 |