Robertt is a very rare variant of Robert that was most common in the 1950s and has all but disappeared.
Robertt is a boy name. It last appears in U.S. records in 1969. Robertt first appears in 1951 and peaked in 1958 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1969 | 5 | — | #4,895 |
| 1961 | 5 | — | #4,541 |
| 1960 | 7 | — | #3,596 |
| 1959 | 5 | — | #4,463 |
| 1958 | 13 | — | #2,344 |
| 1957 | 5 | — | #4,440 |
| 1956 | 6 | — | #3,867 |
| 1954 | 5 | — | #4,265 |
| 1953 | 7 | — | #3,372 |
| 1951 | 5 | — | #4,146 |