Total babies named Sylvio (all years): 463
| Year | Boys (count / rank / %) |
|---|---|
| 2015 | 6 / #11902 / 0.000% |
| 1990 | 5 / #9334 / 0.000% |
| 1959 | 8 / #3254 / 0.000% |
| 1955 | 5 / #4337 / 0.000% |
| 1949 | 6 / #3650 / 0.000% |
| 1948 | 5 / #4133 / 0.000% |
| 1946 | 6 / #3486 / 0.000% |
| 1941 | 6 / #3460 / 0.000% |
| 1939 | 8 / #2803 / 0.001% |
| 1938 | 13 / #2080 / 0.001% |
| Year | Boys (count / rank / %) |
|---|---|
| 1937 | 5 / #3963 / 0.000% |
| 1935 | 7 / #3227 / 0.001% |
| 1934 | 7 / #3242 / 0.001% |
| 1933 | 13 / #2087 / 0.001% |
| 1932 | 10 / #2620 / 0.001% |
| 1931 | 9 / #2851 / 0.001% |
| 1930 | 13 / #2281 / 0.001% |
| 1929 | 22 / #1599 / 0.002% |
| 1928 | 12 / #2512 / 0.001% |
| 1927 | 27 / #1461 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1926 | 17 / #1971 / 0.002% |
| 1925 | 19 / #1862 / 0.002% |
| 1924 | 15 / #2212 / 0.001% |
| 1923 | 14 / #2321 / 0.001% |
| 1922 | 14 / #2330 / 0.001% |
| 1921 | 29 / #1409 / 0.003% |
| 1920 | 22 / #1687 / 0.002% |
| 1919 | 20 / #1745 / 0.002% |
| 1918 | 24 / #1529 / 0.002% |
| 1917 | 16 / #1977 / 0.002% |
| Year | Boys (count / rank / %) |
|---|---|
| 1916 | 20 / #1639 / 0.002% |
| 1915 | 18 / #1705 / 0.002% |
| 1914 | 13 / #1857 / 0.002% |
| 1913 | 10 / #1931 / 0.002% |
| 1912 | 8 / #2031 / 0.002% |
| 1910 | 6 / #1567 / 0.003% |
| 1907 | 5 / #1523 / 0.003% |