Last name Thorgeirsdottir (Thorgeirsdottir 
) , globally, is a rare family name. The surname Thorgeirsdottir is habitual in Northern Europe, particularly Iceland, where it is quite a common surname, Norway, where it is a very rare surname, and Finland. Very seldom, Thorgeirsdottir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thorgeirsdottir | Finland, Iceland, Norway, United States |