Origin of the Castelli Surname
The Castelli surname is of Italian origin (Italian). In the 2010 U.S. Census it ranked #9,834 with 3,292 Americans (1.12 per 100K people).
What the name meant to the first families who bore it — and how Castelli traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Castelli |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Italian |
| Language | Italian |
| US Rank (2010) | #9,834 |
| US Count (2010) | 3,292 |
| Per 100K People | 1.12 |
| First Letter | C |
Ethnic Distribution of Castelli
Among 3,292 Americans named Castelli, the largest self-reported group is White (93.23%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Castelli Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Castelli moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Castelli family really come from?
A simple cheek swab reveals your ethnic origins, maps where your Castelli ancestors lived, and connects you with living relatives who share your DNA.
- 🧬 A detailed estimate of your ethnic origins
- 🗺️ See where your Castelli ancestors lived & migrated
- 👪 Get matched with relatives you never knew you had
Trusted by millions who've uncovered their family story
Prefer another lab? 23andMe · MyHeritage
As an Amazon Associate we earn from qualifying purchases — at no extra cost to you.
The Complete Story of the Castelli Family
What you’ve read above is just the overview. Your full Castelli Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Castelli
- ✓ The Castelli coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Castelli families live today
- ✓ Notable Castelli 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 Castelli fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Castelli
These surnames share similar popularity, spelling, or cultural background with Castelli.
Other Italian Surnames
Explore more surnames with Italian roots. There are 162,254 surnames in our database — here are some that share the same Italian origin as Castelli.
Frequently Asked Questions About Castelli
Top Surnames Starting with C
The most common American surnames that begin with the letter C, ranked by population.
Related Searches
People searching for information about the Castelli surname also look for: