Siw is a girl name with roots in Swedish and Norse culture. A Swedish spelling of Siv, from the Old Norse Sif ('bride, relation by marriage') - the golden-haired wife of Thor.
The numerology number for Siw is 1, reflecting the personality traits and characteristics associated with this name.
Origin : swedish, norse
Gender : girl
Numerology : 1
Syllables : 1
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Siw reduces to the number 1, which is most often linked to leadership, independence, originality. A person carrying this vibration tends to be a natural pioneer - driven, ambitious, and most comfortable charting their own path rather than following someone else’s.
Browse more names from these origins:
See all names starting with the letter S:
Names starting with S
Choosing the perfect name for your baby is a joyou...
Date | 10/16/2026
Muslim parents often choose a name with a good mea...
Date | 10/31/2026
Ganesha is worshipped first, before every new begi...
Date | 10/31/2026Malayali families often name a son after Guruvayur...
Date | 11/9/2026
Kannada families often name a daughter after Chamu...
Date | 11/9/2026
Malayali families often name a daughter after the...
Date | 11/9/2026Naming your baby is one of the first and most mean...
Date | 10/16/2026
Looking for a baby name that is popular in the USA...
Date | 10/16/2026Kannada families often name a son after Udupi Kris...
Date | 11/9/2026
Bengali families often name a son after Shiva or t...
Date | 11/9/2026