Kalevi is a variant form of Kaleva, the name of a character from Finnish legend — the ancestor of all Finns. Although both are masculine names, Kalevi may be better suited for non-Finnish boys, since an A ending is often viewed as feminine.

Seppo has two separate Finnish origins. The first is as a nickname for Sebastian, a name used widely across Europe. The second version is derived from the Finnish word seppä, meaning "smith."

This name was on the U.S. Top 1000 in the early 20th century, when recent immigrants frequently chose native names that have since died out for American babies. But if you're of Finnish or Estonian ancestry, you may want to consider reviving this one with a positive meaning.

A variation of Olaf that made the Finnish Top 50 in 2022.

A vintage Finnish name most common in the early 20th century.