What does Viggo mean?
Viggo comes from the Old Norse for “war” or “battle.”
What does Thor mean?
Thor is the Norse god of thunder, his name meaning “thunder” itself.
Viggo vs Thor
Which is more popular?
Viggo is more popular than Thor today: about 97 US babies were given the name Viggo in 2025, compared with 44 named Thor.
| Viggo | Thor | |
|---|---|---|
| Meaning | War | Thunder |
| Origin | Norse | Norse |
| Gender | Boy | Boy |
| Pronunciation | VEE-goh | THOR |
| Syllables | 2 | 1 |
| First appeared | 1913 | 1904 |
| Peak year | 2025 (97) | 2015 (118) |
| In 2025 | 97 | 44 |
| Trend | Near its peak | Steady |
Popularity over time, 1880–2025
Viggo
Thor
Source: US Social Security Administration.
Births by decade
| Decade | Viggo | Thor |
|---|---|---|
| 2020s | 447 | 415 |
| 2010s | 402 | 1,026 |
| 2000s | 179 | 699 |
| 1990s | 0 | 498 |
| 1980s | 0 | 469 |
| 1970s | 0 | 538 |
| 1960s | 0 | 568 |
| 1950s | 0 | 208 |
| 1940s | 0 | 137 |
| 1930s | 5 | 91 |
| 1920s | 10 | 117 |
| 1910s | 12 | 86 |
| 1900s | 0 | 5 |
Frequently asked questions
Is Viggo or Thor more popular?
Viggo is more popular than Thor today: about 97 US babies were given the name Viggo in 2025, compared with 44 named Thor.
What is the difference between Viggo and Thor?
Viggo means War (Norse origin), while Thor means Thunder (Norse origin).
Which name is older, Viggo or Thor?
In US records, Viggo first appears in 1913 and Thor in 1904, so Thor has the longer recorded history.