Explore the Family Name Keogan
The meaning of Keogan
Irish (Cavan and Meath): variant of Keoghan, an Anglicized form of Gaelic Mac Eochagáin, an Ulster form of Mag Eochagáin, ‘son of Eochagán’, a diminutive of Eochaidh, see Geoghegan. Alternatively, Keoghan is sometimes a variant of Keohane.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Keogan in the United States?
Based on the data from the Decennial U.S. Census, the popularity of the surname Keogan has shown a significant increase between 2000 and 2010. In 2000, it was ranked at 114,852 but rose to 105,600 in 2010, showing a growth rate of 8.06%. Likewise, the count of individuals with this surname increased by 19.86% from 141 people in 2000 to 169 in 2010. The proportion per 100k also experienced a growth of 20%, moving from 0.05 to 0.06.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #114,852 | #105,600 | 8.06% |
| Count | 141 | 169 | 19.86% |
| Proportion per 100k | 0.05 | 0.06 | 20% |
Race and Ethnicity of people with the last name Keogan
The ethnic identity associated with the surname Keogan, as obtained from the Decennial U.S. Census, is predominantly white, which increased from 90.07% in 2000 to 92.90% in 2010. This shows a change of 3.14%. The Hispanic representation decreased by 30.43% from 8.51% in 2000 to 5.92% in 2010. There were no recorded individuals of Asian/Pacific Islander, Black, or American Indian and Alaskan Native descent with the surname Keogan in either 2000 or 2010. It's worth mentioning that any categories with an (S) have had their information suppressed for privacy reasons.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 90.07% | 92.9% | 3.14% |
| Hispanic | 8.51% | 5.92% | -30.43% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |