siltainen
Siltainen is a Finnish surname. While the exact origins and meaning are not widely documented in readily available public records, surnames in Finland often derive from placenames, geographical features, or occupational terms. The "silta" part of the name likely relates to the Finnish word for "bridge". Therefore, "siltainen" could potentially refer to someone who lived near a bridge, worked as a bridge builder, or perhaps a place name incorporating the concept of a bridge. Like many surnames, its prevalence and specific distribution within Finland would require more detailed genealogical or onomastic research. Individuals bearing the surname Siltainen are found in Finland and in Finnish diaspora communities.