Origin of the Kosinski Surname
The Kosinski surname is of Polish origin (Polish). In the 2010 U.S. Census it ranked #11,829 with 2,646 Americans (0.9 per 100K people).
What the name meant to the first families who bore it — and how Kosinski traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Kosinski |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Polish |
| Language | Polish |
| US Rank (2010) | #11,829 |
| US Count (2010) | 2,646 |
| Per 100K People | 0.9 |
| First Letter | K |
Ethnic Distribution of Kosinski
Among 2,646 Americans named Kosinski, the largest self-reported group is White (95.88%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Kosinski Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Kosinski moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Kosinski family really come from?
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The Complete Story of the Kosinski Family
What you’ve read above is just the overview. Your full Kosinski Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Kosinski
- ✓ The Kosinski coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Kosinski families live today
- ✓ Notable Kosinski bearers in history
- ✓ Name variations & spellings worldwide
- ✓ A step-by-step guide to start tracing your own family tree
🎁 A heritage keepsake to pass down — perfect as a gift.
Get one Kosinski fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Kosinski
These surnames share similar popularity, spelling, or cultural background with Kosinski.
Other Polish Surnames
Explore more surnames with Polish roots. There are 162,254 surnames in our database — here are some that share the same Polish origin as Kosinski.
Frequently Asked Questions About Kosinski
Top Surnames Starting with K
The most common American surnames that begin with the letter K, ranked by population.
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