Origin & Meaning of the Costigan Surname
What does the last name Costigan mean?
The surname Costigan carries the meaning "Descendant of." It is derived from the Irish Gaelic language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 2,463 bearers in the 2010 US Census, Costigan ranks as the #12,566 most common surname in the United States.
Where does the surname Costigan come from?
The Costigan surname has its roots in Irish heritage. Names of Irish origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Costigan name far beyond its original homeland.
Language of Origin
The linguistic roots of Costigan trace back to Irish Gaelic. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.
Quick Facts
| Surname | Costigan |
|---|---|
| Meaning | Descendant of |
| Origin | Irish |
| Language | Irish Gaelic |
| US Rank (2010) | #12,566 |
| US Count (2010) | 2,463 |
| Per 100K People | 0.83 |
| First Letter | C |
Ethnic Distribution of Costigan
According to the US Census, the Costigan surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 2,463 Americans with the Costigan last name.
| Ethnicity | Percentage |
|---|---|
| White | 93.71% |
| Hispanic | 3.53% |
| Asian/Pacific Islander | 0.85% |
| Two or More Races | 1.54% |
Popularity of Costigan Over Time
Comparing US Census data from 2000 and 2010 shows how the Costigan surname has changed in prevalence.
The number of Americans with the Costigan surname increased by 120 between 2000 and 2010.
Discover Your Costigan Ancestry
Uncover your family's history with a DNA test. Learn where your Costigan ancestors came from and connect with relatives worldwide.
Affiliate links — we may earn a commission at no extra cost to you.
The Complete Story of the Costigan Family
What you’ve read above is just the overview. Your full Costigan Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Costigan
- ✓ The Costigan coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Costigan families live today
- ✓ Notable Costigan 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.
Similar Surnames to Costigan
These surnames share similar popularity, spelling, or cultural background with Costigan.
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 Costigan.
Frequently Asked Questions About Costigan
Top Surnames Starting with C
The most common American surnames that begin with the letter C, ranked by population.
Related Searches
People searching for information about the Costigan surname also look for: