The baby name Leoncio appears in baby name data for the United States from 1978 to 2000. It was most popular in 1978 with 5 babies given the name.
Over the period shown, Leoncio has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1978 | 5 |
| 1981 | 5 |
| 1982 | 5 |
| 1993 | 5 |
| 1994 | 5 |
| 2000 | 5 |