The baby name Ysidro appears in baby name data for the United States from 1911 to 1997. It was most popular in 1922 with 29 babies given the name.
In the later years of this period, Ysidro has become less common than it once was.
| Year | Count |
|---|---|
| 1911 | 7 |
| 1913 | 9 |
| 1914 | 9 |
| 1915 | 7 |
| 1917 | 9 |
| 1918 | 6 |
| 1920 | 7 |
| 1921 | 16 |
| 1922 | 29 |
| 1923 | 9 |
| 1924 | 13 |
| 1925 | 9 |
| 1926 | 5 |
| 1927 | 7 |
| 1928 | 8 |
| 1929 | 20 |
| 1930 | 8 |
| 1933 | 10 |
| 1935 | 5 |
| 1939 | 9 |
| 1940 | 9 |
| 1941 | 15 |
| 1942 | 12 |
| 1943 | 15 |
| 1944 | 9 |
| 1945 | 10 |
| 1946 | 9 |
| 1947 | 21 |
| 1948 | 13 |
| 1954 | 15 |
| 1955 | 15 |
| 1956 | 16 |
| 1957 | 16 |
| 1958 | 10 |
| 1959 | 22 |
| 1960 | 12 |
| 1962 | 16 |
| 1963 | 18 |
| 1964 | 14 |
| 1965 | 14 |
| 1966 | 12 |
| 1967 | 12 |
| 1968 | 10 |
| 1973 | 7 |
| 1974 | 6 |
| 1975 | 6 |
| 1976 | 11 |
| 1977 | 7 |
| 1984 | 5 |
| 1986 | 5 |
| 1987 | 7 |
| 1990 | 5 |
| 1992 | 5 |
| 1995 | 7 |
| 1997 | 6 |