Karolyn is an uncommon girls' name that peaked in 1946 and has since faded.
Karolyn is a girl name. In 2025 it ranked #6,436 for girl births in the United States (and #11,188 across all names), given to 18 babies. Karolyn first appears in 1912 and peaked in 1946 (167 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 18 | 18 | #6,436 |
| 2024 | 22 | 22 | #5,705 |
| 2023 | 15 | 15 | #7,445 |
| 2022 | 23 | 23 | #5,550 |
| 2021 | 16 | 16 | #7,105 |
| 2020 | 17 | 17 | #6,772 |
| 2019 | 13 | 13 | #8,362 |
| 2018 | 36 | 36 | #4,033 |
| 2017 | 27 | 27 | #4,994 |
| 2016 | 24 | 24 | #5,531 |
| 2015 | 20 | 20 | #6,344 |
| 2014 | 30 | 30 | #4,708 |
| 2013 | 32 | 32 | #4,488 |
| 2012 | 25 | 25 | #5,475 |
| 2011 | 19 | 19 | #6,718 |
| 2010 | 26 | 26 | #5,323 |
| 2009 | 29 | 29 | #5,009 |
| 2008 | 28 | 28 | #5,209 |
| 2007 | 44 | 44 | #3,683 |
| 2006 | 38 | 38 | #3,958 |
| 2005 | 44 | 44 | #3,437 |
| 2004 | 40 | 40 | #3,665 |
| 2003 | 31 | 31 | #4,260 |
| 2002 | 32 | 32 | #4,032 |
| 2001 | 42 | 49 | #3,278 |
| 2000 | 32 | 32 | #3,935 |
| 1999 | 37 | 43 | #3,401 |
| 1998 | 32 | 32 | #3,685 |
| 1997 | 52 | — | #2,494 |
| 1996 | 37 | — | #3,183 |
| 1995 | 50 | — | #2,534 |
| 1994 | 49 | — | #2,562 |
| 1993 | 48 | — | #2,584 |
| 1992 | 63 | — | #2,142 |
| 1991 | 44 | — | #2,713 |
| 1990 | 56 | — | #2,271 |
| 1989 | 55 | — | #2,206 |
| 1988 | 45 | — | #2,426 |
| 1987 | 53 | — | #2,080 |
| 1986 | 39 | — | #2,538 |
| 1985 | 48 | — | #2,193 |
| 1984 | 40 | — | #2,401 |
| 1983 | 43 | — | #2,252 |
| 1982 | 53 | — | #1,974 |
| 1981 | 55 | — | #1,944 |
| 1980 | 39 | — | #2,459 |
| 1979 | 54 | — | #1,931 |
| 1978 | 56 | — | #1,809 |
| 1977 | 78 | — | #1,435 |
| 1976 | 70 | — | #1,486 |
| 1975 | 62 | — | #1,595 |
| 1974 | 63 | — | #1,540 |
| 1973 | 53 | — | #1,695 |
| 1972 | 63 | — | #1,507 |
| 1971 | 71 | — | #1,458 |
| 1970 | 81 | — | #1,318 |
| 1969 | 84 | — | #1,221 |
| 1968 | 72 | — | #1,305 |
| 1967 | 72 | — | #1,272 |
| 1966 | 89 | — | #1,124 |
| 1965 | 109 | — | #997 |
| 1964 | 92 | — | #1,149 |
| 1963 | 77 | — | #1,255 |
| 1962 | 106 | — | #1,051 |
| 1961 | 98 | — | #1,113 |
| 1960 | 70 | — | #1,320 |
| 1959 | 65 | — | #1,331 |
| 1958 | 74 | — | #1,236 |
| 1957 | 90 | — | #1,102 |
| 1956 | 64 | — | #1,304 |
| 1955 | 60 | — | #1,304 |
| 1954 | 73 | — | #1,171 |
| 1953 | 79 | — | #1,085 |
| 1952 | 97 | — | #949 |
| 1951 | 97 | — | #940 |
| 1950 | 92 | — | #930 |
| 1949 | 114 | — | #821 |
| 1948 | 122 | — | #777 |
| 1947 | 148 | — | #693 |
| 1946 | 167 | — | #614 |
| 1945 | 132 | — | #635 |
| 1944 | 133 | — | #637 |
| 1943 | 154 | — | #610 |
| 1942 | 129 | — | #659 |
| 1941 | 149 | — | #571 |
| 1940 | 107 | — | #671 |
| 1939 | 105 | — | #664 |
| 1938 | 79 | — | #797 |
| 1937 | 65 | — | #858 |
| 1936 | 42 | — | #1,093 |
| 1935 | 41 | — | #1,091 |
| 1934 | 45 | — | #1,039 |
| 1933 | 32 | — | #1,277 |
| 1932 | 25 | — | #1,546 |
| 1931 | 21 | — | #1,713 |
| 1930 | 17 | — | #2,068 |
| 1929 | 8 | — | #3,540 |
| 1928 | 13 | — | #2,558 |
| 1927 | 12 | — | #2,782 |
| 1926 | 18 | — | #2,120 |
| 1925 | 11 | — | #3,037 |
| 1924 | 14 | — | #2,599 |
| 1923 | 13 | — | #2,659 |
| 1922 | 7 | — | #4,232 |
| 1921 | 6 | — | #4,775 |
| 1920 | 9 | — | #3,468 |
| 1919 | 6 | — | #4,522 |
| 1918 | 13 | — | #2,594 |
| 1917 | 5 | — | #4,943 |
| 1916 | 6 | — | #4,148 |
| 1915 | 6 | — | #4,015 |
| 1913 | 5 | — | #3,433 |
| 1912 | 6 | — | #2,800 |