Mareo is a very rare variant of Mario that was most common in the 1980s and has all but disappeared.
Mareo is a boy name. It last appears in U.S. records in 2009. Mareo first appears in 1969 and peaked in 1980 (16 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2009 | 5 | 5 | #13,762 |
| 2005 | 6 | 6 | #10,989 |
| 1999 | 8 | 8 | #7,603 |
| 1990 | 5 | — | #8,997 |
| 1989 | 11 | — | #4,702 |
| 1988 | 6 | — | #6,940 |
| 1986 | 5 | — | #7,420 |
| 1985 | 14 | — | #3,325 |
| 1984 | 5 | — | #6,964 |
| 1983 | 13 | — | #3,350 |
| 1982 | 11 | — | #3,846 |
| 1981 | 15 | — | #2,980 |
| 1980 | 16 | — | #2,911 |
| 1979 | 13 | — | #3,286 |
| 1978 | 9 | — | #4,047 |
| 1977 | 9 | — | #4,043 |
| 1976 | 9 | — | #3,899 |
| 1973 | 7 | — | #4,342 |
| 1970 | 6 | — | #4,549 |
| 1969 | 6 | — | #4,232 |