Cognomen Purgailis (Purgailis 
) , globally, is a very rare family name. The cognomen Purgailis is characteristic of Latvia, where it is quite a rare surname, Norway, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Latvia, Brazil, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Purgailis | Germany, Norway, Brazil, United States, Latvia |