Explore the Family Name Kilgannon
The meaning of Kilgannon
Irish: from Mac Giolla Gannáin ‘son of Gannan’, a personal name of unidentified origin.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kilgannon in the United States?
Based on the Decennial U.S. Census data, the surname Kilgannon maintained a relatively consistent level of popularity between 2000 and 2010. The rank of the name decreased slightly from 84,310 in 2000 to 85,659 in 2010, indicating a marginal drop in its relative popularity (-1.6%). However, the count of people with the Kilgannon surname rose from 207 in 2000 to 218 in 2010, showing a modest increase of 5.31%. Despite this increase, the proportion per 100,000 people decreased by 12.5% over the same period, going from 0.08 to 0.07.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #84,310 | #85,659 | -1.6% |
| Count | 207 | 218 | 5.31% |
| Proportion per 100k | 0.08 | 0.07 | -12.5% |
Race and Ethnicity of people with the last name Kilgannon
The Decennial U.S. Census data reveals that the majority of individuals with the Kilgannon surname identify as White in terms of ethnicity. In 2000, 96.62% of Kilgannons identified as White, a figure which increased slightly to 97.25% in 2010. There was also a small percentage (2.90%) in 2000 who identified as having two or more races, however, this figure dropped down to zero by 2010. No Kilgannons identified as Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native in either census year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.62% | 97.25% | 0.65% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 2.9% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |