The baby name Jacalyn appears in baby name data for the United States from 1946 to 2003. It was most popular in 1954 with 530 babies given the name.
In the later years of this period, Jacalyn has become less common than it once was.
| Year | Count |
|---|---|
| 1946 | 48 |
| 1947 | 60 |
| 1948 | 22 |
| 1949 | 96 |
| 1950 | 169 |
| 1951 | 391 |
| 1952 | 436 |
| 1953 | 484 |
| 1954 | 530 |
| 1955 | 372 |
| 1956 | 102 |
| 1957 | 91 |
| 1958 | 38 |
| 1959 | 42 |
| 1960 | 53 |
| 1961 | 90 |
| 1962 | 72 |
| 1963 | 37 |
| 1964 | 63 |
| 1965 | 66 |
| 1966 | 56 |
| 1967 | 51 |
| 1968 | 39 |
| 1969 | 19 |
| 1970 | 22 |
| 1971 | 23 |
| 1972 | 21 |
| 1973 | 14 |
| 1974 | 14 |
| 1975 | 5 |
| 1977 | 5 |
| 1978 | 6 |
| 1979 | 22 |
| 1980 | 5 |
| 1982 | 15 |
| 1983 | 6 |
| 1984 | 10 |
| 1985 | 5 |
| 1986 | 24 |
| 1988 | 11 |
| 1989 | 19 |
| 1990 | 5 |
| 1992 | 16 |
| 1993 | 17 |
| 1996 | 10 |
| 1997 | 12 |
| 1999 | 22 |
| 2000 | 18 |
| 2003 | 10 |