Explore the Family Name Sonderegger

The meaning of Sonderegger

South German and Swiss German: topographic name from Middle High German sunder ‘southern’ + (dialect) egg ‘corner (of a hill)’ + -er, suffix denoting an inhabitant. Some characteristic forenames: German Kurt.

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

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

The popularity of the surname Sonderegger, according to data from the Decennial U.S. Census, has seen a slight decrease from the years 2000 to 2010. In 2000, it ranked 55,971 and decreased to 59,171 by 2010, representing a -5.72 percent change. The count of people with this surname remained constant at 342 individuals for both years. The proportion of individuals with this surname per 100,000 also saw a decrease from 0.13 in 2000 to 0.12 in 2010, marking a -7.69 percent shift.

	2000	2010	Change
Rank	#55,971	#59,171	-5.72%
Count	342	342	0%
Proportion per 100k	0.13	0.12	-7.69%

Race and Ethnicity of people with the last name Sonderegger

In terms of ethnicity, the Decennial U.S. Census data suggests that the majority of individuals with the surname Sonderegger identify as White, although there were some changes between 2000 and 2010. In 2000, 95.03 percent identified as White, decreasing slightly to 93.57 percent in 2010. There was no representation from Asian/Pacific Islander or Black ethnic identities in either year. The percentage of those identifying with two or more races dropped from 2.34 percent in 2000 to zero in 2010, while Hispanic representation remained consistent at 1.75 percent. Notably, there was an emergence of American Indian and Alaskan Native representation in 2010, accounting for 2.34 percent that was previously unrepresented in 2000.

	2000	2010	Change
White	95.03%	93.57%	-1.54%
American Indian and Alaskan Native	0%	2.34%	0%
Hispanic	1.75%	1.75%	0%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	2.34%	0%	0%
Black	0%	0%	0%