Explore the Family Name Roisum

The meaning of Roisum

Norwegian (Røisum): variant of Røysum, a habitational name from the farmstead in Sogn named Røysum, from the dative plural of Old Norse reysi ‘heap of stones’. Some characteristic forenames: Scandinavian Anders.

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

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

Based on the Decennial U.S. Census data, the surname Roisum experienced a slight dip in popularity between 2000 and 2010. In 2000, it ranked as the 88,825th most popular surname, but by 2010, it had dropped to the 94,730th position, a decrease of 6.65%. The number of individuals with this surname also marginally decreased from 194 to 193 over the same time period. Despite these changes, the proportion of people with the Roisum surname per 100,000 remained constant at 0.07.

20002010Change
Rank#88,825#94,730-6.65%
Count194193-0.52%
Proportion per 100k0.070.070%

Race and Ethnicity of people with the last name Roisum

Regarding the ethnic identity associated with the Roisum surname, the Decennial U.S. Census data indicates that it is overwhelmingly identified as White. In 2000, approximately 97.94% of individuals with the Roisum surname identified as White, and this figure slightly decreased to 97.41% by 2010. There were no recorded instances of this surname among individuals identifying as Asian/Pacific Islander, those of two or more races, Hispanic, Black, or American Indian and Alaskan Native in either years.

20002010Change
White97.94%97.41%-0.54%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%