Explore the Family Name Coblentz

The meaning of Coblentz

Jewish (Ashkenazic): habitational name from the German city of Koblenz, situated at the confluence of the Rhine and Mosel. It was founded in 9 BC as a Roman town, Latin name Confluentes (fluvii) ‘confluent rivers’, from which the modern name derives.

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

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

Based on the Decennial U.S. Census data, the surname Coblentz has seen a significant increase in popularity between 2000 and 2010. In 2000, it ranked 10,114 in terms of frequency of use across the United States, increasing to a rank of 8,814 by 2010. This represents a notable shift of 12.85%. The count of people with this surname also rose, from 2,933 in 2000 to 3,714 in 2010, showing an increase of 26.63%. Likewise, the proportion of the surname per 100,000 people increased from 1.09 to 1.26, marking a 15.6% change.

	2000	2010	Change
Rank	#10,114	#8,814	12.85%
Count	2,933	3,714	26.63%
Proportion per 100k	1.09	1.26	15.6%

Race and Ethnicity of people with the last name Coblentz

In terms of ethnicity, based on the Decennial U.S. Census data, the majority of individuals with the Coblentz surname identified as White in both 2000 and 2010, with proportions of 96.52% and 96.28% respectively. There was a minimal decrease in this percentage over the decade (-0.25%). The number of those identifying as Hispanic saw an increase, shifting from 2.01% to 2.42% (+20.4%). Those attributing their ethnic identity to two or more races decreased from 0.78% to 0.57% (-26.92%), while American Indian and Alaskan Native representation also dropped slightly from 0.44% to 0.38% (-13.64%). The Asian/Pacific Islander and Black categories remained consistent at 0% for both years.

	2000	2010	Change
White	96.52%	96.28%	-0.25%
Hispanic	2.01%	2.42%	20.4%
Two or More Races	0.78%	0.57%	-26.92%
American Indian and Alaskan Native	0.44%	0.38%	-13.64%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%