How Many People Have the Last Name Ocallaghan?
people had the surname Ocallaghan in the 2010 US Census
About 1 in 98,039 people in the Census had this surname
Source: Census Bureau surname list
Surname Rank
Tied with 1 other
Per 100,000 People
In 2010
Largest Group
White
Change Since 2000
+235 people
👥 Race and Hispanic Origin
Most people with the surname Ocallaghan (95.5%) are non-Hispanic White. Among surnames where most people are non-Hispanic White, Ocallaghan ranks #8,339. The mix barely changed from 2000: no group's share moved by 2 points or more.
📈 Change Since 2000
Ocallaghan grew from 2,779 people in 2000 to 3,014 in 2010 (up 8.5%), and its rank fell from #10,588 to #10,626. The population grew faster, so its share still fell, from 1.03 to 1.02 people per 100,000.
| 2000 | 2010 | |
|---|---|---|
| People | 2,779 | 3,014 |
| Rank | #10,588 | #10,626 |
| Per 100,000 people | 1.03 | 1.02 |
🏆 Surnames Ranked Near Ocallaghan
🔊 Surnames That Sound Alike
Same Soundex code as Ocallaghan: O242
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