Jennilyn is a rare girls' name that peaked in 1983 and has since faded.
Jennilyn is a girl name. It last appears in U.S. records in 2021. Jennilyn was first reported in SSA data in 1966 and peaked in 1983 (21 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2021 | 7 | 7 | #12,772 |
| 2015 | 5 | 5 | #17,652 |
| 2010 | 5 | 5 | #18,222 |
| 2007 | 8 | 8 | #13,210 |
| 2005 | 6 | 6 | #15,334 |
| 2004 | 6 | 6 | #14,960 |
| 2002 | 6 | 6 | #14,380 |
| 1999 | 5 | 5 | #15,451 |
| 1998 | 6 | 6 | #13,136 |
| 1996 | 9 | — | #9,122 |
| 1995 | 7 | — | #11,017 |
| 1994 | 8 | — | #9,946 |
| 1993 | 5 | — | #14,428 |
| 1992 | 8 | — | #9,879 |
| 1991 | 8 | — | #9,702 |
| 1990 | 13 | — | #6,624 |
| 1989 | 6 | — | #11,423 |
| 1988 | 12 | — | #6,439 |
| 1987 | 10 | — | #7,003 |
| 1986 | 10 | — | #6,803 |
| 1985 | 13 | — | #5,481 |
| 1984 | 14 | — | #5,050 |
| 1983 | 21 | — | #3,732 |
| 1982 | 16 | — | #4,595 |
| 1981 | 8 | — | #7,682 |
| 1980 | 16 | — | #4,603 |
| 1979 | 12 | — | #5,544 |
| 1978 | 15 | — | #4,525 |
| 1977 | 7 | — | #7,858 |
| 1976 | 7 | — | #7,612 |
| 1975 | 5 | — | #9,639 |
| 1974 | 13 | — | #4,561 |
| 1973 | 10 | — | #5,327 |
| 1972 | 9 | — | #5,657 |
| 1971 | 8 | — | #6,244 |
| 1970 | 6 | — | #7,434 |
| 1969 | 5 | — | #7,930 |
| 1966 | 5 | — | #6,989 |