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Last name Merilainen (Merilainen
) , worldwide, is quite a rare family name. The cognomen Merilainen is characteristic of Northern Europe, particularly Finland, where it is quite a common surname, Estonia, where it is quite a rare surname, and Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Merilainen | Australia, Estonia, Finland, Sweden, Canada |
Merilaïnen, and Meriläinen