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Dictionary of Medieval Names
from European Sources

Prospero m. Latin prosperus 'prosperous, successful; lucky, propitious'.

The name of a 5th C Italian saint and a 5th C French saint.

Italy
Latin
1376 Prospero (abl) DouGen1 p. 106; 1527 Prosper (nom) Rome1527 p. 85
Italian
1513x1521 Prospero LeoX p. 12
Cite as: S.L. Uckelman. "Prospero". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Prospero.