Origin of the Decastro Surname
The Decastro surname is of French/Spanish origin (French). In the 2010 U.S. Census it ranked #6,361 with 5,354 Americans (1.82 per 100K people).
What the name meant to the first families who bore it — and how Decastro traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Decastro |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | French/Spanish |
| Language | French |
| US Rank (2010) | #6,361 |
| US Count (2010) | 5,354 |
| Per 100K People | 1.82 |
| First Letter | D |
Ethnic Distribution of Decastro
Among 5,354 Americans named Decastro, the largest self-reported group is Asian/Pacific Islander (37.06%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Decastro Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Decastro moved up. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Decastro family really come from?
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The Complete Story of the Decastro Family
What you’ve read above is just the overview. Your full Decastro Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Decastro
- ✓ The Decastro coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Decastro families live today
- ✓ Notable Decastro 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 Decastro fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Decastro
These surnames share similar popularity, spelling, or cultural background with Decastro.
Other French/Spanish Surnames
Explore more surnames with French/Spanish roots. There are 162,254 surnames in our database — here are some that share the same French/Spanish origin as Decastro.
Frequently Asked Questions About Decastro
Top Surnames Starting with D
The most common American surnames that begin with the letter D, ranked by population.
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