Isidro is an uncommon boys' name that peaked in 2000 and has grown less common since.
Isidro is a boy name. In 2025 it ranked #1,815 for boy births in the United States (and #3,877 across all names), given to 88 babies. Isidro was first reported in SSA data in 1885 and peaked in 2000 (160 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 88 | 88 | #1,815 |
| 2024 | 94 | 94 | #1,755 |
| 2023 | 78 | 78 | #1,976 |
| 2022 | 90 | 90 | #1,809 |
| 2021 | 83 | 83 | #1,858 |
| 2020 | 74 | 74 | #1,951 |
| 2019 | 61 | 61 | #2,274 |
| 2018 | 67 | 67 | #2,107 |
| 2017 | 69 | 69 | #2,041 |
| 2016 | 69 | 69 | #2,054 |
| 2015 | 76 | 76 | #1,922 |
| 2014 | 73 | 73 | #1,969 |
| 2013 | 72 | 72 | #1,936 |
| 2012 | 92 | 92 | #1,671 |
| 2011 | 94 | 94 | #1,624 |
| 2010 | 88 | 88 | #1,729 |
| 2009 | 113 | 113 | #1,477 |
| 2008 | 133 | 133 | #1,310 |
| 2007 | 145 | 145 | #1,217 |
| 2006 | 131 | 131 | #1,279 |
| 2005 | 132 | 132 | #1,205 |
| 2004 | 115 | 115 | #1,299 |
| 2003 | 148 | 148 | #1,050 |
| 2002 | 140 | 140 | #1,076 |
| 2001 | 151 | 151 | #1,005 |
| 2000 | 160 | 160 | #951 |
| 1999 | 138 | 138 | #1,014 |
| 1998 | 145 | 145 | #958 |
| 1997 | 145 | — | #933 |
| 1996 | 124 | — | #1,007 |
| 1995 | 126 | — | #990 |
| 1994 | 145 | — | #907 |
| 1993 | 135 | — | #927 |
| 1992 | 132 | — | #926 |
| 1991 | 142 | — | #887 |
| 1990 | 128 | — | #912 |
| 1989 | 135 | — | #866 |
| 1988 | 116 | — | #887 |
| 1987 | 114 | — | #878 |
| 1986 | 111 | — | #863 |
| 1985 | 117 | — | #827 |
| 1984 | 122 | — | #787 |
| 1983 | 91 | — | #925 |
| 1982 | 102 | — | #889 |
| 1981 | 118 | — | #808 |
| 1980 | 92 | — | #931 |
| 1979 | 99 | — | #880 |
| 1978 | 83 | — | #953 |
| 1977 | 71 | — | #1,022 |
| 1976 | 82 | — | #925 |
| 1975 | 69 | — | #987 |
| 1974 | 77 | — | #931 |
| 1973 | 71 | — | #959 |
| 1972 | 62 | — | #1,027 |
| 1971 | 55 | — | #1,103 |
| 1970 | 71 | — | #953 |
| 1969 | 56 | — | #1,035 |
| 1968 | 51 | — | #1,039 |
| 1967 | 50 | — | #1,038 |
| 1966 | 48 | — | #1,064 |
| 1965 | 56 | — | #990 |
| 1964 | 69 | — | #916 |
| 1963 | 58 | — | #996 |
| 1962 | 65 | — | #943 |
| 1961 | 47 | — | #1,151 |
| 1960 | 50 | — | #1,106 |
| 1959 | 60 | — | #1,000 |
| 1958 | 46 | — | #1,143 |
| 1957 | 53 | — | #1,045 |
| 1956 | 47 | — | #1,112 |
| 1955 | 54 | — | #1,028 |
| 1954 | 50 | — | #1,059 |
| 1953 | 41 | — | #1,158 |
| 1952 | 58 | — | #933 |
| 1951 | 48 | — | #1,029 |
| 1950 | 62 | — | #875 |
| 1949 | 50 | — | #990 |
| 1948 | 70 | — | #815 |
| 1947 | 37 | — | #1,199 |
| 1946 | 47 | — | #992 |
| 1945 | 48 | — | #932 |
| 1944 | 45 | — | #969 |
| 1943 | 40 | — | #1,081 |
| 1942 | 53 | — | #915 |
| 1941 | 37 | — | #1,076 |
| 1940 | 48 | — | #923 |
| 1939 | 41 | — | #997 |
| 1938 | 33 | — | #1,137 |
| 1937 | 30 | — | #1,217 |
| 1936 | 35 | — | #1,108 |
| 1935 | 25 | — | #1,378 |
| 1934 | 30 | — | #1,228 |
| 1933 | 36 | — | #1,096 |
| 1932 | 35 | — | #1,148 |
| 1931 | 26 | — | #1,376 |
| 1930 | 44 | — | #1,042 |
| 1929 | 35 | — | #1,183 |
| 1928 | 34 | — | #1,241 |
| 1927 | 46 | — | #1,033 |
| 1926 | 46 | — | #1,025 |
| 1925 | 31 | — | #1,317 |
| 1924 | 37 | — | #1,198 |
| 1923 | 32 | — | #1,288 |
| 1922 | 30 | — | #1,357 |
| 1921 | 23 | — | #1,614 |
| 1920 | 24 | — | #1,570 |
| 1919 | 14 | — | #2,201 |
| 1918 | 24 | — | #1,518 |
| 1917 | 20 | — | #1,669 |
| 1916 | 17 | — | #1,809 |
| 1915 | 16 | — | #1,833 |
| 1914 | 17 | — | #1,520 |
| 1913 | 7 | — | #2,376 |
| 1912 | 9 | — | #1,816 |
| 1910 | 6 | — | #1,500 |
| 1898 | 5 | — | #1,216 |
| 1885 | 5 | — | #1,016 |