The baby name Mieczyslaw appears in baby name data for the United States from 1915 to 1919. It was most popular in 1917 with 6 babies given the name.
Over the period shown, Mieczyslaw has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1915 | 5 |
| 1916 | 5 |
| 1917 | 6 |
| 1919 | 5 |