Origin of the Roos Surname
The Roos surname is of Greek/Portuguese origin (Greek). In the 2010 U.S. Census it ranked #6,690 with 5,051 Americans (1.71 per 100K people).
What the name meant to the first families who bore it — and how Roos traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Roos |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Greek/Portuguese |
| Language | Greek |
| US Rank (2010) | #6,690 |
| US Count (2010) | 5,051 |
| Per 100K People | 1.71 |
| First Letter | R |
Ethnic Distribution of Roos
Among 5,051 Americans named Roos, the largest self-reported group is White (93.37%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Roos Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Roos moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Roos family really come from?
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The Complete Story of the Roos Family
What you’ve read above is just the overview. Your full Roos Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Roos
- ✓ The Roos coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Roos families live today
- ✓ Notable Roos 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 Roos fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Roos
These surnames share similar popularity, spelling, or cultural background with Roos.
Other Greek/Portuguese Surnames
Explore more surnames with Greek/Portuguese roots. There are 162,254 surnames in our database — here are some that share the same Greek/Portuguese origin as Roos.
Frequently Asked Questions About Roos
Top Surnames Starting with R
The most common American surnames that begin with the letter R, ranked by population.
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