Isidoro is a rare variant of Isidro that peaked in 1929 and has since faded.
Isidoro is a boy name. It last appears in U.S. records in 2023. Isidoro was first reported in SSA data in 1913 and peaked in 1929 (24 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2023 | 9 | 9 | #8,505 |
| 2022 | 5 | 5 | #13,099 |
| 2021 | 8 | 8 | #9,160 |
| 2018 | 7 | 7 | #10,078 |
| 2017 | 7 | 7 | #10,120 |
| 2016 | 5 | 5 | #12,970 |
| 2011 | 7 | 7 | #10,035 |
| 2010 | 8 | 8 | #9,118 |
| 2009 | 7 | 7 | #10,265 |
| 2008 | 11 | 11 | #7,392 |
| 2007 | 16 | 16 | #5,522 |
| 2006 | 14 | 14 | #5,895 |
| 2005 | 8 | 8 | #8,594 |
| 2003 | 14 | 14 | #5,371 |
| 2002 | 7 | 7 | #8,818 |
| 2001 | 14 | 14 | #5,234 |
| 2000 | 20 | 20 | #3,978 |
| 1999 | 14 | 14 | #4,870 |
| 1998 | 10 | 10 | #6,004 |
| 1997 | 15 | — | #4,330 |
| 1996 | 13 | — | #4,712 |
| 1995 | 15 | — | #4,131 |
| 1994 | 20 | — | #3,382 |
| 1993 | 24 | — | #2,896 |
| 1992 | 16 | — | #3,821 |
| 1991 | 13 | — | #4,327 |
| 1990 | 17 | — | #3,513 |
| 1989 | 9 | — | #5,343 |
| 1988 | 13 | — | #3,779 |
| 1987 | 11 | — | #4,074 |
| 1986 | 19 | — | #2,722 |
| 1985 | 19 | — | #2,640 |
| 1984 | 12 | — | #3,549 |
| 1983 | 15 | — | #2,983 |
| 1982 | 14 | — | #3,183 |
| 1981 | 22 | — | #2,291 |
| 1980 | 17 | — | #2,775 |
| 1979 | 19 | — | #2,502 |
| 1978 | 7 | — | #4,742 |
| 1977 | 18 | — | #2,498 |
| 1976 | 16 | — | #2,647 |
| 1975 | 15 | — | #2,686 |
| 1974 | 13 | — | #2,867 |
| 1973 | 12 | — | #2,922 |
| 1972 | 20 | — | #2,039 |
| 1971 | 15 | — | #2,498 |
| 1970 | 9 | — | #3,382 |
| 1969 | 13 | — | #2,475 |
| 1968 | 13 | — | #2,383 |
| 1967 | 11 | — | #2,540 |
| 1966 | 18 | — | #1,850 |
| 1965 | 8 | — | #3,097 |
| 1964 | 10 | — | #2,739 |
| 1963 | 17 | — | #2,000 |
| 1961 | 15 | — | #2,182 |
| 1960 | 14 | — | #2,261 |
| 1959 | 13 | — | #2,345 |
| 1958 | 10 | — | #2,715 |
| 1957 | 13 | — | #2,319 |
| 1956 | 14 | — | #2,210 |
| 1955 | 14 | — | #2,179 |
| 1954 | 21 | — | #1,680 |
| 1953 | 5 | — | #4,059 |
| 1952 | 15 | — | #2,037 |
| 1951 | 17 | — | #1,872 |
| 1950 | 21 | — | #1,631 |
| 1949 | 10 | — | #2,521 |
| 1948 | 17 | — | #1,849 |
| 1947 | 18 | — | #1,816 |
| 1946 | 9 | — | #2,613 |
| 1945 | 5 | — | #3,527 |
| 1944 | 9 | — | #2,538 |
| 1943 | 5 | — | #3,773 |
| 1942 | 9 | — | #2,609 |
| 1941 | 17 | — | #1,721 |
| 1940 | 13 | — | #2,030 |
| 1939 | 12 | — | #2,114 |
| 1938 | 12 | — | #2,129 |
| 1937 | 16 | — | #1,794 |
| 1936 | 7 | — | #3,014 |
| 1935 | 13 | — | #2,083 |
| 1934 | 13 | — | #2,071 |
| 1933 | 12 | — | #2,150 |
| 1932 | 15 | — | #1,957 |
| 1931 | 7 | — | #3,238 |
| 1930 | 16 | — | #1,925 |
| 1929 | 24 | — | #1,502 |
| 1928 | 13 | — | #2,329 |
| 1927 | 16 | — | #2,082 |
| 1926 | 15 | — | #2,131 |
| 1925 | 14 | — | #2,255 |
| 1924 | 8 | — | #3,369 |
| 1923 | 20 | — | #1,788 |
| 1922 | 9 | — | #3,128 |
| 1921 | 7 | — | #3,697 |
| 1920 | 5 | — | #4,615 |
| 1919 | 5 | — | #4,471 |
| 1918 | 10 | — | #2,781 |
| 1917 | 9 | — | #2,842 |
| 1916 | 8 | — | #3,049 |
| 1915 | 8 | — | #2,943 |
| 1913 | 5 | — | #3,038 |