Surname Thorgeirson (Thorgeirson 
) , in the world, is a very rare cognomen. The family name Thorgeirson is characteristic of New Zealand, where it is a rare surname, Canada, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thorgeirson | New Zealand, United States, Canada |
| simon thorgeirson, lord of fossness |
|