Origin of the Mcclellan Surname
The Mcclellan surname is of Irish/Scottish origin (Gaelic). In the 2010 U.S. Census it ranked #1,356 with 26,060 Americans (8.83 per 100K people).
What the name meant to the first families who bore it — and how Mcclellan traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Mcclellan |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Irish/Scottish |
| Language | Gaelic |
| US Rank (2010) | #1,356 |
| US Count (2010) | 26,060 |
| Per 100K People | 8.83 |
| First Letter | M |
Ethnic Distribution of Mcclellan
Among 26,060 Americans named Mcclellan, the largest self-reported group is White (81.0%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Mcclellan Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Mcclellan moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Mcclellan family really come from?
A simple cheek swab reveals your ethnic origins, maps where your Mcclellan ancestors lived, and connects you with living relatives who share your DNA.
- 🧬 A detailed estimate of your ethnic origins
- 🗺️ See where your Mcclellan 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 Mcclellan Family
What you’ve read above is just the overview. Your full Mcclellan Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Mcclellan
- ✓ The Mcclellan coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Mcclellan families live today
- ✓ Notable Mcclellan 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 Mcclellan fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Mcclellan
These surnames share similar popularity, spelling, or cultural background with Mcclellan.
Other Irish/Scottish Surnames
Explore more surnames with Irish/Scottish roots. There are 162,254 surnames in our database — here are some that share the same Irish/Scottish origin as Mcclellan.
Frequently Asked Questions About Mcclellan
Top Surnames Starting with M
The most common American surnames that begin with the letter M, ranked by population.
Related Searches
People searching for information about the Mcclellan surname also look for: