How common is the surname Mortenson?

4,306 people in the United States had the surname Mortenson in the 2010 Census, about 1 in every 71,701 Americans. It ranked 7,710th of 162,253 surnames.

What ethnicity is the surname Mortenson?

In the 2010 Census, 94% of people named Mortenson identified as white (not Hispanic), and 2.4% as Hispanic or Latino (any race).

Who is the most famous person named Mortenson?

Greg Mortenson, American mountaineer and humanitarian, followed by Jay Mortenson.

Where is the surname Mortenson most common?

Wikidata records people named Mortenson in the United States.

Is the surname Mortenson getting more or less common?

More common. 4,116 people carried it in the 2000 Census and 4,306 in 2010, up 4.6%.

The surname Mortenson

A Danish surname, carried by 4,306 people in the United States.

3 syllables Soundex M635

Every surname held by 100 or more people in the 2010 US Census, most common on the left (162,253 in all). Mortenson is more common than 95.2% of them.

Origin

Danish origin

Borrowed from Danish and Norwegian Mortensen, equivalent to Morten + -son.

One of 50 Danish surnames on this site.

Origin from Wiktionary (CC BY-SA 4.0).

How common it is

2010 US Census

There were 4,306 people named Mortenson in the United States in 2010, about 1 in every 71,701 Americans. That is up 4.6% since 2000, when the Census counted 4,116.

#7,710

rank among US surnames

4,306

people in 2010

1.5

per 100,000 Americans

+4.6%

change since 2000 (was #7,457)

Rank	Surname	People	1 in
#7,702	Chua	4,309	71,651
#7,707	Weisman	4,308	71,668
#7,708	Buller	4,307	71,685
#7,710	Lasley	4,306	71,701
#7,713	Bussell	4,305	71,718
#7,714	Lail	4,304	71,735

Who is named Mortenson

Race and Hispanic origin as people reported it in the 2010 Census

94% of people named Mortenson identified as white (not Hispanic), 2.4% as Hispanic or Latino (any race) and 1.6% as two or more races.

White (not Hispanic) 94%
Hispanic or Latino (any race) 2.4%
Two or more races 1.6%
American Indian and Alaska Native 0.9%
Asian and Pacific Islander 0.4%
Black (not Hispanic) 0.4%

Compare: most common surnames among white Americans.

Famous Mortensons

2 notable people on Wikidata, most written-about first

Greg Mortenson
American mountaineer and humanitarian, born 1957
Jay Mortenson
American swimmer, born 1966

Spellings and sound-alikes

Useful when a record has your ancestor under another spelling

Surnames that sound like Mortenson

Mortenson has the Soundex code M635, the code US census indexes have used since the 1930s. Every surname with code M635.

Other Danish surnames

All 50 Danish surnames

Questions

Where does the surname Mortenson come from?: Borrowed from Danish and Norwegian Mortensen, equivalent to Morten + -son.
How common is the surname Mortenson?: 4,306 people in the United States had the surname Mortenson in the 2010 Census, about 1 in every 71,701 Americans. It ranked 7,710th of 162,253 surnames.
What ethnicity is the surname Mortenson?: In the 2010 Census, 94% of people named Mortenson identified as white (not Hispanic), and 2.4% as Hispanic or Latino (any race).
Who is the most famous person named Mortenson?: Greg Mortenson, American mountaineer and humanitarian, followed by Jay Mortenson.
Where is the surname Mortenson most common?: Wikidata records people named Mortenson in the United States.
Is the surname Mortenson getting more or less common?: More common. 4,116 people carried it in the 2000 Census and 4,306 in 2010, up 4.6%.