The baby name Karolyn appears in baby name data for the United States from 1934 to 2023. It was most popular in 1941 with 165 babies given the name.
In the later years of this period, Karolyn has become less common than it once was.
| Year | Count |
|---|---|
| 1934 | 12 |
| 1936 | 17 |
| 1937 | 23 |
| 1938 | 64 |
| 1939 | 74 |
| 1940 | 78 |
| 1941 | 165 |
| 1942 | 114 |
| 1943 | 151 |
| 1944 | 117 |
| 1945 | 100 |
| 1946 | 138 |
| 1947 | 115 |
| 1948 | 84 |
| 1949 | 54 |
| 1950 | 43 |
| 1951 | 32 |
| 1952 | 70 |
| 1953 | 20 |
| 1954 | 13 |
| 1955 | 5 |
| 1956 | 19 |
| 1957 | 50 |
| 1958 | 42 |
| 1959 | 22 |
| 1960 | 25 |
| 1961 | 41 |
| 1962 | 70 |
| 1963 | 39 |
| 1964 | 27 |
| 1965 | 42 |
| 1966 | 40 |
| 1967 | 26 |
| 1968 | 30 |
| 1969 | 43 |
| 1970 | 25 |
| 1971 | 15 |
| 1972 | 28 |
| 1973 | 7 |
| 1974 | 23 |
| 1975 | 21 |
| 1976 | 20 |
| 1977 | 13 |
| 1978 | 18 |
| 1979 | 6 |
| 1981 | 23 |
| 1982 | 12 |
| 1984 | 5 |
| 1985 | 15 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 8 |
| 1990 | 8 |
| 1991 | 7 |
| 1996 | 10 |
| 1997 | 6 |
| 2004 | 12 |
| 2005 | 20 |
| 2006 | 6 |
| 2007 | 5 |
| 2017 | 5 |
| 2018 | 6 |
| 2022 | 5 |
| 2023 | 6 |