The baby name Eustacio appears in baby name data for the United States from 1922 to 1974. It was most popular in 1922 with 12 babies given the name.
Over the period shown, Eustacio has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1922 | 12 |
| 1924 | 5 |
| 1925 | 5 |
| 1928 | 5 |
| 1948 | 5 |
| 1959 | 10 |
| 1960 | 10 |
| 1973 | 6 |
| 1974 | 5 |