Explore the Family Name Shannahan
The meaning of Shannahan
Irish: variant of Shanahan.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Shannahan in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Shannahan saw a decrease between 2000 and 2010. In 2000, Shannahan was the 38,524th most common surname in the United States, but by 2010 it had fallen to 42,237th, marking a decline of 9.64%. The number of people with this surname also decreased during this period, from 540 in 2000 to 514 in 2010, indicating a drop of 4.81%. The proportion of individuals bearing this name per 100,000 residents also fell by 15%, from 0.2 in 2000 to 0.17 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #38,524 | #42,237 | -9.64% |
| Count | 540 | 514 | -4.81% |
| Proportion per 100k | 0.2 | 0.17 | -15% |
Race and Ethnicity of people with the last name Shannahan
The Decennial U.S. Census data illustrates that the ethnic identity associated with the surname Shannahan has predominantly been White over the years. Approximately 95.93% identified as White in 2000, and this figure increased to 97.28% by 2010, a rise of 1.41%. There were small percentages associated with other ethnicities in 2000 - 2.04% identified as Hispanic and 1.48% reported having more than one ethnicity. However, by 2010, these figures had reduced significantly. The Hispanic association dropped by 52.45% to 0.97%, while those identifying with two or more races fell to zero. There were no individuals associated with Asian/Pacific Islander, Black, or American Indian and Alaskan Native ethnicities in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.93% | 97.28% | 1.41% |
| Hispanic | 2.04% | 0.97% | -52.45% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 1.48% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |