Jasinski
A Polish surname usually meaning “from Jasino/Jasin” or “belonging to the place called Jasin,” formed with a Slavic place-name suffix.
The #8,900 most common surname in the United States (2010 Census) — about 1 in every 83,921 Americans shares it.
Etymology
Jasinski is a Polish surname built from a place name, most likely Jasin or a similar locality name, plus the adjectival suffix -ski. In Polish surnames, -ski often means “of” or “from” a place, so the name originally identified someone who came from, or was associated with, that place. The underlying place name is probably connected to a Slavic word for ash tree or a personal/place-name base related to that root, though the exact local origin can vary by family line.
History
This is a classic Polish surname type, and many such names became hereditary among the nobility first before spreading more widely through the population. Outside Poland, it often appears in immigrant communities in North America and elsewhere, usually preserving the Polish spelling or simplified without diacritics. Because there are multiple possible source places named Jasin or similar, separate families with this surname may not share a single common ancestor.
Origin
Regions
Variant spellings
Fun fact
Polish surnames ending in -ski are so common that they are often treated as a hallmark of Polish naming, but they do not all indicate nobility—many simply began as place-based identifiers.