The baby name Lennart appears in baby name data for the United States from 1925 to 1935. It was most popular in 1925 with 14 babies given the name.
Over the period shown, Lennart has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1925 | 14 |
| 1926 | 10 |
| 1928 | 12 |
| 1930 | 12 |
| 1935 | 11 |