The baby name Monterio appears in baby name data for the United States from 1980 to 2003. It was most popular in 1980 with 10 babies given the name.
Over the period shown, Monterio has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1980 | 10 |
| 1991 | 10 |
| 1996 | 5 |
| 1998 | 5 |
| 2003 | 5 |