Total babies named Efstathios (all years): 53
| Year | Boys (count / rank / %) |
|---|---|
| 2019 | 6 / #11152 / 0.000% |
| 2009 | 5 / #13015 / 0.000% |
| 2006 | 8 / #8947 / 0.000% |
| 2003 | 6 / #9946 / 0.000% |
| 1999 | 8 / #7361 / 0.000% |
| 1979 | 6 / #5554 / 0.000% |
| 1977 | 6 / #5338 / 0.000% |
| 1972 | 8 / #3728 / 0.000% |