Origin of the Killough Surname
The Killough surname is of European origin (European). In the 2010 U.S. Census it ranked #11,810 with 2,650 Americans (0.9 per 100K people).
What the name meant to the first families who bore it — and how Killough traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Killough |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | European |
| Language | European |
| US Rank (2010) | #11,810 |
| US Count (2010) | 2,650 |
| Per 100K People | 0.9 |
| First Letter | K |
Ethnic Distribution of Killough
Among 2,650 Americans named Killough, the largest self-reported group is White (92.49%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Killough Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Killough moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Killough family really come from?
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The Complete Story of the Killough Family
What you’ve read above is just the overview. Your full Killough Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Killough
- ✓ The Killough coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Killough families live today
- ✓ Notable Killough 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 Killough fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Killough
These surnames share similar popularity, spelling, or cultural background with Killough.
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 Killough.
Frequently Asked Questions About Killough
Top Surnames Starting with K
The most common American surnames that begin with the letter K, ranked by population.
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