Last name Давидас-Алойзас (Давидас-Алойзас 
) , globally, is an extremely rare surname. Much more prevalently, Давидас-Алойзас is the forename as well as the last name. Parts of the name also exists independently as a first name Давидас.
| VARIANT | COUNTRY |
|---|---|
| Давидас-Алойзас | Russia |