Siward is a boy name with roots in Anglo-saxon and Norse culture. From the Old English Sigeweard (Old Norse Sigvarðr): 'sige' (victory) + 'weard' (guardian) - guardian of victory.
The numerology number for Siward is 8, reflecting the personality traits and characteristics associated with this name.
Origin : anglo-saxon, norse
Gender : boy
Numerology : 8
Syllables : 2
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Siward reduces to the number 8, which is most often linked to ambition, authority, accomplishment. A person carrying this vibration is often confident and goal-driven - focused on building something tangible, whether a career, a business, or a legacy that outlasts them.
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