Origin of the Lenihan Surname
The Lenihan surname is of French origin (French). In the 2010 U.S. Census it ranked #14,119 with 2,128 Americans (0.72 per 100K people).
What the name meant to the first families who bore it — and how Lenihan traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Lenihan |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | French |
| Language | French |
| US Rank (2010) | #14,119 |
| US Count (2010) | 2,128 |
| Per 100K People | 0.72 |
| First Letter | L |
Ethnic Distribution of Lenihan
Among 2,128 Americans named Lenihan, the largest self-reported group is White (94.41%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Lenihan Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Lenihan moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Lenihan family really come from?
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The Complete Story of the Lenihan Family
What you’ve read above is just the overview. Your full Lenihan Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Lenihan
- ✓ The Lenihan coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Lenihan families live today
- ✓ Notable Lenihan 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 Lenihan fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Lenihan
These surnames share similar popularity, spelling, or cultural background with Lenihan.
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 Lenihan.
Frequently Asked Questions About Lenihan
Top Surnames Starting with L
The most common American surnames that begin with the letter L, ranked by population.
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