Explore the Family Name Lannan
The meaning of Lannan
Irish: variant of Lennon.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Lannan in the United States?
Based on the Decennial U.S. Census data, the surname Lannan experienced a decrease in popularity between 2000 and 2010. In 2000, Lannan was ranked as the 24,584th most popular surname, dropping to the 27,950th position by 2010, representing a decline of approximately 13.69%. Similarly, the number of individuals bearing the Lannan surname also declined from 953 in 2000 to 858 in 2010, a decrease of nearly 10%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #24,584 | #27,950 | -13.69% |
| Count | 953 | 858 | -9.97% |
| Proportion per 100k | 0.35 | 0.29 | -17.14% |
Race and Ethnicity of people with the last name Lannan
The ethnic identity associated with the surname Lannan is mostly White, according to the Decennial U.S. Census. In 2000, about 96.33% of those with the Lannan surname identified as White, increasing slightly to 96.85% in 2010. The representation of the Asian/Pacific Islander ethnicity dropped from 0.94% in 2000 to none reported in 2010. There was a slight increase in the proportion of those identifying as Hispanic, from 0.84% in 2000 to 1.28% in 2010. Those identifying with two or more races decreased from 1.47% to 1.28%, while there were no changes for Black or American Indian and Alaskan Native identities.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.33% | 96.85% | 0.54% |
| Two or More Races | 1.47% | 1.28% | -12.93% |
| Hispanic | 0.84% | 1.28% | 52.38% |
| Asian/Pacific Islander | 0.94% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |