Dictionary of Medieval Names
from European Sources

Gratius m. Latin gratius 'more pleasing'.

Italy
Latin
1265x1339 Gracii (gen) BBC-Berg 426; 1300 Gracius (nom) ibid. 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 2016, no. 4. http://dmnes.org/2016/4/name/Gratius.