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Dictionary of Medieval Names
from European Sources

Siger m. Old High German sigu 'victory' + Old High German heri 'host, army'.

France
Latin
1378 Sigero (dat) hanquetvol1 no. 84, Sigerus (nom) ibid. no. 84, Sygeri (gen) ibid. 964
Cite as: S.L. Uckelman. "Siger". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Siger.