Origin of the Irby Surname
The Irby surname is of Unknown origin (Unknown). In the 2010 U.S. Census it ranked #3,138 with 11,506 Americans (3.9 per 100K people).
What the name meant to the first families who bore it — and how Irby traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Irby |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Unknown |
| Language | Unknown |
| US Rank (2010) | #3,138 |
| US Count (2010) | 11,506 |
| Per 100K People | 3.9 |
| First Letter | I |
Ethnic Distribution of Irby
Among 11,506 Americans named Irby, the largest self-reported group is White (50.96%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Irby Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Irby moved down. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Irby family really come from?
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The Complete Story of the Irby Family
What you’ve read above is just the overview. Your full Irby Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Irby
- ✓ The Irby coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Irby families live today
- ✓ Notable Irby 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 Irby fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Irby
These surnames share similar popularity, spelling, or cultural background with Irby.
Other Unknown Surnames
Explore more surnames with Unknown roots. There are 162,254 surnames in our database — here are some that share the same Unknown origin as Irby.
Frequently Asked Questions About Irby
Top Surnames Starting with I
The most common American surnames that begin with the letter I, ranked by population.
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