Origin of the Cavanagh Surname
The Cavanagh surname is of Irish origin (Irish Gaelic). In the 2010 U.S. Census it ranked #8,114 with 4,086 Americans (1.39 per 100K people).
What the name meant to the first families who bore it — and how Cavanagh traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Cavanagh |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Irish |
| Language | Irish Gaelic |
| US Rank (2010) | #8,114 |
| US Count (2010) | 4,086 |
| Per 100K People | 1.39 |
| First Letter | C |
Ethnic Distribution of Cavanagh
Among 4,086 Americans named Cavanagh, the largest self-reported group is White (94.81%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Cavanagh Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Cavanagh moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Cavanagh family really come from?
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The Complete Story of the Cavanagh Family
What you’ve read above is just the overview. Your full Cavanagh Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Cavanagh
- ✓ The Cavanagh coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Cavanagh families live today
- ✓ Notable Cavanagh 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 Cavanagh fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Cavanagh
These surnames share similar popularity, spelling, or cultural background with Cavanagh.
Other Irish Surnames
Explore more surnames with Irish roots. There are 162,254 surnames in our database — here are some that share the same Irish origin as Cavanagh.
Frequently Asked Questions About Cavanagh
Top Surnames Starting with C
The most common American surnames that begin with the letter C, ranked by population.
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