The baby name Spiro appears in baby name data for the United States from 1924 to 1976. It was most popular in 1971 with 15 babies given the name.
Over the period shown, Spiro has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1924 | 10 |
| 1926 | 5 |
| 1928 | 5 |
| 1929 | 6 |
| 1930 | 5 |
| 1962 | 5 |
| 1967 | 5 |
| 1969 | 6 |
| 1970 | 14 |
| 1971 | 15 |
| 1972 | 9 |
| 1973 | 10 |
| 1974 | 5 |
| 1976 | 8 |