Origin of the Aguiar Surname
The Aguiar surname is of Unknown origin (Unknown). In the 2010 U.S. Census it ranked #4,227 with 8,390 Americans (2.84 per 100K people).
What the name meant to the first families who bore it — and how Aguiar traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Aguiar |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Unknown |
| Language | Unknown |
| US Rank (2010) | #4,227 |
| US Count (2010) | 8,390 |
| Per 100K People | 2.84 |
| First Letter | A |
Ethnic Distribution of Aguiar
Among 8,390 Americans named Aguiar, the largest self-reported group is Hispanic (48.09%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Aguiar Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Aguiar moved up. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Aguiar family really come from?
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The Complete Story of the Aguiar Family
What you’ve read above is just the overview. Your full Aguiar Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Aguiar
- ✓ The Aguiar coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Aguiar families live today
- ✓ Notable Aguiar 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 Aguiar fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Aguiar
These surnames share similar popularity, spelling, or cultural background with Aguiar.
Other Unknown Surnames
Explore more surnames with Unknown roots. There are 162,254 surnames in our database — here are some that share the same Unknown origin as Aguiar.
Frequently Asked Questions About Aguiar
Top Surnames Starting with A
The most common American surnames that begin with the letter A, ranked by population.
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