This page is historical. Follow this link for the current version.
Dictionary of Medieval Names
from European Sources

Cosmo m. Ancient Greek κόσμος 'order, ordered universe, cosmos'.

The name of a 3rd C martyr, an 8th C saint, an 8th C pope of Alexandria, a 9th C pope of Alexandria and saint, a 10th C pope of Alexandria and saint, a 12th C Italian saint, the birth name of a 15th C pope, and the name of a number of 15th-16th C grand dukes of Tuscany and rulers of Florence.

Italy
Latin
1527 Cosmus (nom) Rome1527 p. 84
Spain
Catalan
1510 Cosme valencia1510 3312
Cite as: S.L. Uckelman. "Cosmo". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Cosmo.