Explore the Family Name Postlethwait
The meaning of Postlethwait
English (Cheshire): habitational name from a lost minor place in the parish of Millom, Cumbria. The name is not recorded until the 13th century. The etymology of the placename is uncertain. This form of the surname is rare in Britain.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Postlethwait in the United States?
According to the Decennial U.S. Census data, in terms of popularity, the surname Postlethwait saw a rise in rank from 33,782 in 2000 to 32,562 in 2010, indicating an increase of 3.61 percent. Additionally, there was a growth in the count of people with this last name from 636 in 2000 to 706 in 2010, a rise of 11.01 percent. However, the proportion of individuals with the surname Postlethwait per 100,000 people remained steady at 0.24 percent both in 2000 and 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #33,782 | #32,562 | 3.61% |
| Count | 636 | 706 | 11.01% |
| Proportion per 100k | 0.24 | 0.24 | 0% |
Race and Ethnicity of people with the last name Postlethwait
In regards to ethnic identity, the Decennial U.S. Census data shows that the majority of individuals with the surname Postlethwait identified as White (95.91% in 2000 and 93.20% in 2010). The percentage identifying as Hispanic saw an increase from 2.04% to 3.12% between 2000 and 2010. The percentage of Postlethwaits identifying with two or more races also increased significantly, jumping from 0.79% to 2.55%. No respondents claimed Asian/Pacific Islander, Black, or American Indian and Alaskan Native ethnicity.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.91% | 93.2% | -2.83% |
| Hispanic | 2.04% | 3.12% | 52.94% |
| Two or More Races | 0.79% | 2.55% | 222.78% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |