Origin of the Leff Surname
The Leff surname is of French origin (French). In the 2010 U.S. Census it ranked #13,959 with 2,161 Americans (0.73 per 100K people).
What the name meant to the first families who bore it — and how Leff traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Leff |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | French |
| Language | French |
| US Rank (2010) | #13,959 |
| US Count (2010) | 2,161 |
| Per 100K People | 0.73 |
| First Letter | L |
Ethnic Distribution of Leff
Among 2,161 Americans named Leff, the largest self-reported group is White (94.49%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Leff Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Leff moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Leff family really come from?
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The Complete Story of the Leff Family
What you’ve read above is just the overview. Your full Leff Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Leff
- ✓ The Leff coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Leff families live today
- ✓ Notable Leff 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 Leff fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Leff
These surnames share similar popularity, spelling, or cultural background with Leff.
Other French Surnames
Explore more surnames with French roots. There are 162,254 surnames in our database — here are some that share the same French origin as Leff.
Frequently Asked Questions About Leff
Top Surnames Starting with L
The most common American surnames that begin with the letter L, ranked by population.
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