poikkialainen
Poikkialainen is a Finnish surname. Its literal translation from Finnish is "cross" or "transverse" and "person" or "dweller". This suggests a possible origin related to geographical features or a descriptive characteristic of an ancestor. Surnames in Finland, like in many other cultures, often originated from occupations, patronymics, place names, or personal characteristics.
The surname Poikkialainen is not exceptionally common, but it is present within Finland. Like many Finnish
Research into specific family lineages would be required to determine the exact origin of any particular Poikkialainen