Origin of the Treacy Surname
The Treacy surname is of European origin (European). In the 2010 U.S. Census it ranked #17,428 with 1,619 Americans (0.55 per 100K people).
What the name meant to the first families who bore it — and how Treacy traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Treacy |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | European |
| Language | European |
| US Rank (2010) | #17,428 |
| US Count (2010) | 1,619 |
| Per 100K People | 0.55 |
| First Letter | T |
Ethnic Distribution of Treacy
Among 1,619 Americans named Treacy, the largest self-reported group is White (94.44%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Treacy Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Treacy moved up. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Treacy family really come from?
A simple cheek swab reveals your ethnic origins, maps where your Treacy ancestors lived, and connects you with living relatives who share your DNA.
- 🧬 A detailed estimate of your ethnic origins
- 🗺️ See where your Treacy 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 Treacy Family
What you’ve read above is just the overview. Your full Treacy Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Treacy
- ✓ The Treacy coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Treacy families live today
- ✓ Notable Treacy 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 Treacy fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Treacy
These surnames share similar popularity, spelling, or cultural background with Treacy.
Other European Surnames
Explore more surnames with European roots. There are 162,254 surnames in our database — here are some that share the same European origin as Treacy.
Frequently Asked Questions About Treacy
Top Surnames Starting with T
The most common American surnames that begin with the letter T, ranked by population.
Related Searches
People searching for information about the Treacy surname also look for: