The baby name Karel appears in baby name data for the United States from 1939 to 2023. It was most popular in 1939 with 48 babies given the name.
In the later years of this period, Karel has become less common than it once was.
| Year | Count |
|---|---|
| 1939 | 48 |
| 1940 | 5 |
| 1941 | 10 |
| 1945 | 12 |
| 1947 | 5 |
| 1950 | 5 |
| 1952 | 6 |
| 1954 | 5 |
| 1958 | 10 |
| 1959 | 6 |
| 1960 | 5 |
| 2004 | 10 |
| 2009 | 10 |
| 2023 | 6 |