Nicholaos is a very rare variant of Nicholas that was most common in the 1970s and has all but disappeared.
Nicholaos is a boy name. It last appears in U.S. records in 2008. Nicholaos was first reported in SSA data in 1967 and peaked in 1979 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2008 | 7 | 7 | #10,696 |
| 2001 | 5 | 5 | #11,794 |
| 1993 | 5 | — | #9,725 |
| 1991 | 6 | — | #7,952 |
| 1988 | 5 | — | #8,152 |
| 1987 | 7 | — | #5,908 |
| 1986 | 6 | — | #6,484 |
| 1984 | 6 | — | #6,100 |
| 1983 | 5 | — | #6,986 |
| 1982 | 6 | — | #6,163 |
| 1981 | 8 | — | #4,827 |
| 1980 | 8 | — | #4,816 |
| 1979 | 9 | — | #4,299 |
| 1978 | 5 | — | #6,483 |
| 1977 | 7 | — | #4,955 |
| 1976 | 7 | — | #4,773 |
| 1974 | 6 | — | #5,054 |
| 1973 | 5 | — | #5,637 |
| 1970 | 5 | — | #5,228 |
| 1967 | 6 | — | #3,848 |