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Dictionary of Medieval Names
from European Sources

Sylvius m. A derivative of Latin silva 'woodland, forest'.

The name of a number of mythological Roman kings of Alba Longa and a 4th C French saint.

France
Latin
11thC Silvii (gen) St-Bernard-Romans 135, Silvius (nom) ibid. 135; 1030 Silvius (nom) StVdM-II 713; 1052 Silvii (gen) St-Bernard-Romans no. 85; 1082x87 Silvionis (gen) ibid. no. 120; 1082x1087 Silvius (nom) ibid. no. 121
Cite as: S.L. Uckelman. "Sylvius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Sylvius.