Family name Haggerty-Phasavath (Haggerty-Phasavath 
) , worldwide, is an extremely rare last name. The cognomen Haggerty-Phasavath is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Haggerty, and a last name Phasavath.
| VARIANT | COUNTRY |
|---|---|
| Haggerty-Phasavath | United States |