Jotkainen
Jotkainen is a Finnish surname. It is derived from the given name Jotka, which itself is likely a diminutive or variant of Juhani, the Finnish form of John. The surname Jotkainen, therefore, suggests a patronymic origin, meaning "son or descendant of Jotka." Surnames of this type became common in Finland during the 19th century as part of a broader national movement to adopt fixed family names, often based on existing given names or patronymics.
The Jotkainen surname is not exceptionally common, but it is present within Finland. Like many Finnish surnames,