Family name Mortensson (Mortensson 
) , throughout the world, is a very rare cognomen. The family name Mortensson is characteristic of Norway, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it is commonest in Norway, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Mortensson | United Kingdom, Norway, United States, Canada |
Martensson, Marthinsen, Marthinsson, Martienssen, Martinsen, Mortensen, Mårtensen, Mårtenson, Mårtensson, Мартинсен, Мартінсен, Мортенсен, Мортенсон, Мортенссон, and מורטנסן
|
marja mortensson South Saami singer from Norway (b. 1995) |
|
| eleanor mortensson researcher |
|