Nickolaos is a very rare variant of Nicolas that was most common in the 1970s and has all but disappeared.
Nickolaos is a boy name. It last appears in U.S. records in 1990. Nickolaos was first reported in SSA data in 1969 and peaked in 1977 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1990 | 6 | — | #7,818 |
| 1988 | 11 | — | #4,369 |
| 1987 | 5 | — | #7,789 |
| 1986 | 8 | — | #5,194 |
| 1985 | 6 | — | #6,286 |
| 1984 | 7 | — | #5,403 |
| 1983 | 8 | — | #4,785 |
| 1982 | 9 | — | #4,481 |
| 1981 | 6 | — | #6,020 |
| 1980 | 10 | — | #4,044 |
| 1979 | 9 | — | #4,301 |
| 1978 | 9 | — | #4,067 |
| 1977 | 13 | — | #3,148 |
| 1976 | 8 | — | #4,295 |
| 1975 | 9 | — | #3,848 |
| 1974 | 11 | — | #3,262 |
| 1972 | 6 | — | #4,804 |
| 1970 | 6 | — | #4,574 |
| 1969 | 5 | — | #4,829 |