Nilsa is a rare girls' name that peaked in 1960 and has since faded.
Nilsa is a girl name. In 2025 it ranked #16,600 for girl births in the United States (and #27,469 across all names), given to 5 babies. Nilsa was first reported in SSA data in 1946 and peaked in 1960 (76 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 5 | 5 | #16,600 |
| 2024 | 8 | 8 | #11,869 |
| 2022 | 13 | 13 | #8,394 |
| 2021 | 6 | 6 | #14,769 |
| 2020 | 6 | 6 | #14,649 |
| 2019 | 9 | 9 | #11,137 |
| 2017 | 6 | 6 | #15,420 |
| 2014 | 5 | 5 | #18,495 |
| 2011 | 5 | 5 | #18,812 |
| 2008 | 8 | 8 | #13,472 |
| 2005 | 7 | 7 | #14,106 |
| 2004 | 9 | 9 | #11,373 |
| 2003 | 9 | 9 | #11,082 |
| 2002 | 11 | 11 | #9,309 |
| 2001 | 8 | 8 | #11,770 |
| 2000 | 11 | 11 | #8,994 |
| 1999 | 7 | 7 | #12,302 |
| 1998 | 6 | 6 | #13,649 |
| 1996 | 13 | — | #7,024 |
| 1995 | 9 | — | #9,332 |
| 1994 | 13 | — | #6,961 |
| 1993 | 13 | — | #6,932 |
| 1992 | 12 | — | #7,386 |
| 1991 | 18 | — | #5,331 |
| 1990 | 12 | — | #7,174 |
| 1989 | 14 | — | #6,056 |
| 1988 | 7 | — | #10,031 |
| 1987 | 20 | — | #4,230 |
| 1986 | 18 | — | #4,481 |
| 1985 | 15 | — | #5,018 |
| 1984 | 20 | — | #3,946 |
| 1983 | 22 | — | #3,639 |
| 1982 | 18 | — | #4,286 |
| 1981 | 22 | — | #3,702 |
| 1980 | 28 | — | #3,112 |
| 1979 | 32 | — | #2,777 |
| 1978 | 26 | — | #3,066 |
| 1977 | 36 | — | #2,450 |
| 1976 | 27 | — | #2,843 |
| 1975 | 28 | — | #2,727 |
| 1974 | 28 | — | #2,664 |
| 1973 | 35 | — | #2,257 |
| 1972 | 45 | — | #1,876 |
| 1971 | 48 | — | #1,848 |
| 1970 | 44 | — | #1,944 |
| 1969 | 56 | — | #1,604 |
| 1968 | 47 | — | #1,722 |
| 1967 | 60 | — | #1,436 |
| 1966 | 61 | — | #1,413 |
| 1965 | 56 | — | #1,493 |
| 1964 | 52 | — | #1,585 |
| 1963 | 66 | — | #1,368 |
| 1962 | 69 | — | #1,340 |
| 1961 | 63 | — | #1,415 |
| 1960 | 76 | — | #1,260 |
| 1959 | 70 | — | #1,286 |
| 1958 | 56 | — | #1,429 |
| 1957 | 62 | — | #1,353 |
| 1956 | 43 | — | #1,627 |
| 1955 | 39 | — | #1,659 |
| 1954 | 44 | — | #1,531 |
| 1953 | 43 | — | #1,500 |
| 1952 | 20 | — | #2,383 |
| 1951 | 25 | — | #2,006 |
| 1950 | 17 | — | #2,510 |
| 1949 | 11 | — | #3,336 |
| 1948 | 6 | — | #5,094 |
| 1946 | 5 | — | #5,488 |