The baby name Karren appears in baby name data for the United States from 1940 to 1970. It was most popular in 1943 with 75 babies given the name.
In the later years of this period, Karren has become less common than it once was.
| Year | Count |
|---|---|
| 1940 | 11 |
| 1941 | 9 |
| 1942 | 53 |
| 1943 | 75 |
| 1944 | 52 |
| 1945 | 11 |
| 1946 | 23 |
| 1947 | 17 |
| 1948 | 26 |
| 1949 | 20 |
| 1953 | 22 |
| 1955 | 5 |
| 1956 | 15 |
| 1957 | 9 |
| 1958 | 9 |
| 1960 | 13 |
| 1961 | 7 |
| 1963 | 15 |
| 1964 | 6 |
| 1966 | 11 |
| 1967 | 5 |
| 1968 | 5 |
| 1970 | 15 |