>
Family name Cierlak (Cierlak
) , in all the world, is a rare last name. The cognomen Cierlak is habitual in Poland, where it is a rare surname, France, where it is a very rare surname, and Spain. Measured by absolute frequency, it is commonest in Poland, the United States, and France. Likewise, Cierlak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cierlak | Spain, Poland, France, United States, Germany |