The baby name Alto appears in baby name data for the United States from 1916 to 1940. It was most popular in 1916 with 24 babies given the name.
In the later years of this period, Alto has become less common than it once was.
| Year | Count |
|---|---|
| 1916 | 24 |
| 1917 | 20 |
| 1918 | 18 |
| 1919 | 16 |
| 1920 | 22 |
| 1921 | 14 |
| 1922 | 14 |
| 1923 | 12 |
| 1924 | 18 |
| 1925 | 18 |
| 1926 | 12 |
| 1927 | 5 |
| 1929 | 5 |
| 1930 | 5 |
| 1931 | 6 |
| 1932 | 5 |
| 1935 | 7 |
| 1940 | 5 |