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Dictionary of Medieval Names
from European Sources

Gratius m. Latin gratius 'more pleasing'.

Italy
Latin
1300 Gracius (nom) BBC-Berg p. XLV
1265x1339 Gracioli (gen) BBC-Berg 334
Cite as: S.L. Uckelman. "Gratius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Gratius.