Paavillisen
Paavillisen is a Finnish surname. It is derived from the given name Paavo, which is the Finnish form of Paul. The suffix "-llinen" is a possessive suffix, indicating "belonging to Paavo" or "Paavo's place." Therefore, Paavillisen can be interpreted as a patronymic surname, originating from a male ancestor named Paavo. Like many Finnish surnames, it likely emerged during the 19th and early 20th centuries when surnames became more widespread in Finland. Research into specific family lineages would be required to trace the exact origins and history of any particular family bearing the Paavillisen surname. The distribution of this surname is likely concentrated within Finland.