The baby name Nicholaus appears in baby name data for the United States from 1978 to 2005. It was most popular in 1981 with 107 babies given the name.
In the later years of this period, Nicholaus has become less common than it once was.
| Year | Count |
|---|---|
| 1978 | 68 |
| 1979 | 99 |
| 1980 | 76 |
| 1981 | 107 |
| 1982 | 54 |
| 1983 | 26 |
| 1984 | 43 |
| 1985 | 28 |
| 1986 | 48 |
| 1987 | 5 |
| 1988 | 15 |
| 1989 | 16 |
| 1990 | 52 |
| 1991 | 41 |
| 1992 | 73 |
| 1993 | 40 |
| 1994 | 50 |
| 1995 | 27 |
| 1996 | 16 |
| 1997 | 29 |
| 1998 | 11 |
| 1999 | 32 |
| 2000 | 28 |
| 2001 | 12 |
| 2003 | 5 |
| 2005 | 15 |