Given name & surname · also Danish

Thorsen

Thorsen is a surname from Danish, ultimately from Norwegian. It is used in English, Danish, and Norwegian.

Meaning & origin

Where it comes from

Thorsen comes from Danish, and ultimately from Norwegian.

Adapted from Wiktionary (CC BY-SA 4.0)

How it developed

In Danish usage, Thorsen as a surname has a “son of” formation linked to Thor.

The story

Published U.S. birth records include this spelling as early as 1997. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Thorsen through the years

Babies since 1880
63
63 boys · 0 girls
Most popular year
2021
13 babies
2025
8
#9,615 for boys
2021–25 vs 2016–20
+100%
Rising fast
0246820002025Highest share 20214.7
Thorsen in U.S. Social Security birth records, 1997–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 8 U.S. birth records for boys, ranking No. 9,615 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 2,897 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Thorsen’s family of names

In Danish usage, Thorsen as a surname has a “son of” formation linked to Thor. In English usage, Thorsen as a surname has a related form in THORESEN.

Walk Thorsen’s family in the name graph

ThorsenThoresenThor

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 1

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Thorsen, these share its style, era, origin or sound, from outside its own family.

Danish · Modern

Thorben

“Thor” · “bear”

0Not recently recorded

>99% boys

Old Norse · Modern

Torben

“thor's bear”

28RareRising

>99% boys

Swedish · Modern

Marken

Marken is a surname from Norwegian, ultimately from Swedish.

11Very rareCooling

>99% boys

Danish · Modern

Olsen

Olsen is a surname from Danish. It is used in English, Danish, Faroese, Icelandic, and 1 other language.

35RareRising fast

99% boys · 1% girls

Norwegian · Modern

Madsen

Madsen is a surname from Danish, ultimately from Norwegian. It is used in English, Norwegian Bokmål, and Danish.

15Very rareSteady

>99% boys

Norwegian · Modern

Nielsen

Nielsen is a surname from Danish, ultimately from Norwegian. It is used in English, Danish, Icelandic, and Norwegian.

0Not recently recorded

>99% boys

Norwegian · Modern

Christensen

Christensen is a surname from Danish, ultimately from Norwegian. It is used in English, Danish, and Norwegian.

0Not recently recorded

>99% boys

Norwegian · Modern

Haaland

“high” · “land”

14Very rareRising fast

>99% boys

Sibling ideas

Names that share Thorsen’s feel without repeating its first letter or rhyming with it.

A brother for Thorsen

A sister for Thorsen