Surname Kucys (Kucys 
) , in the entire world, is a rare last name. The family name Kucys is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname, Norway, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kucys | Norway, United States, Lithuania, United Kingdom |