Explore the Family Name Duplechin

The meaning of Duplechin

Altered form of northern French and Walloon Déplechin, itself a variant of Desplechin: habitational name, with fused preposition d(e) ‘from’, denoting someone from Esplechin, a place in Wallonia (Belgium).

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Duplechin in the United States?

According to the Decennial U.S. Census data, the popularity of the surname Duplechin has seen a significant increase in America between 2000 and 2010. In 2000, this surname was ranked 32,417 in terms of popularity, but by 2010 it had jumped to rank 29,550. This is an approximate increase of 8.84% over the decade. Similarly, the count of people with this surname increased from 669 to 798 within the same period, marking a rise of 19.28%. The proportion of individuals named Duplechin per 100k also saw an uptick of 8.0%.

20002010Change
Rank#32,417#29,5508.84%
Count66979819.28%
Proportion per 100k0.250.278%

Race and Ethnicity of people with the last name Duplechin

On the subject of ethnicity, the Decennial U.S. Census data shows that the majority of people carrying the surname Duplechin identify as White, despite a slight decrease from 94.32% in 2000 to 91.10% in 2010. Notably, there was a substantial increase in those identifying as Black, which rose from 3.74% to 7.39%, a growth of almost 98%. The data for 2010 also indicates a small percentage (0.75%) of Duplechins identified as Hispanic, which was not recorded in the 2000 census. The categories of Asian/Pacific Islander and American Indian and Alaskan Native remained at 0 for both years while the category of Two or more races decreased from 0.75% to 0% within the ten years.

20002010Change
White94.32%91.1%-3.41%
Black3.74%7.39%97.59%
Hispanic0%0.75%0%
Asian/Pacific Islander0%0%0%
Two or More Races0.75%0%0%
American Indian and Alaskan Native0%0%0%