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
952x993 Silvionis (gen) St-Bernard-Romans 132; 11thC Silvii (gen) ibid. 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
Italy
Italian
1490 Silvius (nom) VitAs2 II
Cite as: S.L. Uckelman. "Sylvius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Sylvius.