Origin of the Gilligan Surname
The Gilligan surname is of Irish origin (Irish Gaelic). In the 2010 U.S. Census it ranked #5,557 with 6,257 Americans (2.12 per 100K people).
What the name meant to the first families who bore it — and how Gilligan traveled across regions and centuries — is written out in the full Heritage Report.
Quick Facts
| Surname | Gilligan |
|---|---|
| Meaning | Full etymology in the Heritage Report |
| Origin | Irish |
| Language | Irish Gaelic |
| US Rank (2010) | #5,557 |
| US Count (2010) | 6,257 |
| Per 100K People | 2.12 |
| First Letter | G |
Ethnic Distribution of Gilligan
Among 6,257 Americans named Gilligan, the largest self-reported group is White (96.15%).
The full multi-group chart (every percentage, print-ready) is inside the Heritage Report — not repeated here.
Popularity of Gilligan Over Time
Between the 2000 and 2010 U.S. Census, the national rank of Gilligan moved up. Exact counts for both years — print-ready — are in the Heritage Report.
Where did the Gilligan family really come from?
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The Complete Story of the Gilligan Family
What you’ve read above is just the overview. Your full Gilligan Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Gilligan
- ✓ The Gilligan coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Gilligan families live today
- ✓ Notable Gilligan 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 Gilligan fact most families never hear by email — a teaser, not the full etymology (that’s in the report).
Similar Surnames to Gilligan
These surnames share similar popularity, spelling, or cultural background with Gilligan.
Other Irish Surnames
Explore more surnames with Irish roots. There are 162,254 surnames in our database — here are some that share the same Irish origin as Gilligan.
Frequently Asked Questions About Gilligan
Top Surnames Starting with G
The most common American surnames that begin with the letter G, ranked by population.
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