Last name Finnson (Finnson 
) , in all the world, is a rare cognomen. The family name Finnson is characteristic of Sweden, where it is a rare surname, Canada, and Norway. Not in comparison with a country's population, it is commonest in Canada, the United States, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Finnson | Sweden, Norway, United States, Canada, Brazil |
| marie finnson |
|