Explore the Family Name Monsen

The meaning of Monsen

Norwegian and Danish: patronymic from the personal name Mons, an assimilated form of Magnus. This surname is rare in Denmark. Compare Monson, Munsen, and Munson. Some characteristic forenames: Scandinavian Monrad, Erik, Nels, Anders, Maren.

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

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

According to the Decennial U.S. Census data, the popularity of the surname Monsen has seen a notable increase between 2000 and 2010. The rank of this surname improved from 20,334 in 2000 to 19,177 in 2010, marking a growth of 5.69%. Additionally, the count rose by 16.45%, from 1,216 instances in 2000 to 1,416 in 2010. Similarly, the proportion of people with the surname per 100,000 also saw an increase of 6.67% during the same period.

	2000	2010	Change
Rank	#20,334	#19,177	5.69%
Count	1,216	1,416	16.45%
Proportion per 100k	0.45	0.48	6.67%

Race and Ethnicity of people with the last name Monsen

As for the ethnic identity associated with the surname Monsen, the Decennial U.S. Census data shows some shifts between 2000 and 2010. The majority of individuals with this surname identified as White, although the percentage dropped slightly from 92.02% in 2000 to 89.83% in 2010. Meanwhile, the Hispanic representation within this surname saw a significant surge, jumping 145.73% from 1.64% to 4.03%. Asian/Pacific Islander and American Indian and Alaskan Native identities also saw moderate increases of 10.00% and 12.15% respectively, while the proportion of those identifying as Black remained stable. Those identifying with two or more races under the Monsen surname showed a decrease of 10.59% over the decade.

	2000	2010	Change
White	92.02%	89.83%	-2.38%
Hispanic	1.64%	4.03%	145.73%
Two or More Races	3.87%	3.46%	-10.59%
American Indian and Alaskan Native	1.07%	1.2%	12.15%
Asian/Pacific Islander	0.9%	0.99%	10%
Black	0.49%	0.49%	0%